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CVE-2026-53458 (GCVE-0-2026-53458)

Vulnerability from nvd – Published: 2026-08-18 20:47 – Updated: 2026-08-19 13:37

Title

Blueprint Studio API exposed internal exception details

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py returned raw exception strings to authenticated Home Assistant users. Some exception messages could contain internal filesystem paths or implementation details. The disclosed information could help an authenticated user fingerprint a Home Assistant installation and refine follow-up attacks. This issue is fixed in version 2.5.2.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 13:37 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53458",
                "options": [
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T13:37:12.663594Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "blueprint-studio",
          "vendor": "ha-china",
          "versions": [
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              "status": "affected",
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            }
          ]
        }
      ],
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        {
          "lang": "en",
          "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py returned raw exception strings to authenticated Home Assistant users. Some exception messages could contain internal filesystem paths or implementation details. The disclosed information could help an authenticated user fingerprint a Home Assistant installation and refine follow-up attacks. This issue is fixed in version 2.5.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
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            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
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      ],
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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:47:25.772Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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      },
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        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-6vc4-5wqj-fm6p",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-6vc4-5wqj-fm6p"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2",
          "tags": [
            "x_refsource_MISC"
          ],
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        "advisory": "GHSA-6vc4-5wqj-fm6p",
        "discovery": "UNKNOWN"
      },
      "title": "Blueprint Studio API exposed internal exception details"
    }
  },
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53458",
    "datePublished": "2026-08-18T20:47:25.772Z",
    "dateReserved": "2026-06-09T16:31:21.495Z",
    "dateUpdated": "2026-08-19T13:37:30.683Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53457 (GCVE-0-2026-53457)

Vulnerability from nvd – Published: 2026-08-18 20:51 – Updated: 2026-08-19 19:01

Title

Blueprint Studio terminal command working directory not bounded to config directory

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, the legacy stateless terminal command execution path in custom_components/blueprint_studio/backend/terminal_manager.py accepted a cwd working-directory parameter and checked only whether the directory existed, without requiring it to remain inside the Home Assistant configuration directory. An administrator using the restricted terminal helper could select an existing directory outside the intended configuration boundary. Commands could then access or modify host paths permitted by the Home Assistant container and filesystem permissions, weakening the helper's expected filesystem restriction. This issue is fixed in version 2.5.2.

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 19:01 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53457",
                "options": [
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T19:01:48.814723Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "blueprint-studio",
          "vendor": "ha-china",
          "versions": [
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            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, the legacy stateless terminal command execution path in custom_components/blueprint_studio/backend/terminal_manager.py accepted a cwd working-directory parameter and checked only whether the directory existed, without requiring it to remain inside the Home Assistant configuration directory. An administrator using the restricted terminal helper could select an existing directory outside the intended configuration boundary. Commands could then access or modify host paths permitted by the Home Assistant container and filesystem permissions, weakening the helper\u0027s expected filesystem restriction. This issue is fixed in version 2.5.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
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          }
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              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:51:01.913Z",
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      },
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        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-5cc6-r4rr-fpfh",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-5cc6-r4rr-fpfh"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"
        }
      ],
      "source": {
        "advisory": "GHSA-5cc6-r4rr-fpfh",
        "discovery": "UNKNOWN"
      },
      "title": "Blueprint Studio terminal command working directory not bounded to config directory"
    }
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53457",
    "datePublished": "2026-08-18T20:51:01.913Z",
    "dateReserved": "2026-06-09T16:31:21.495Z",
    "dateUpdated": "2026-08-19T19:01:58.141Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53456 (GCVE-0-2026-53456)

Vulnerability from nvd – Published: 2026-08-18 20:50 – Updated: 2026-08-19 18:20

Title

Blueprint Studio terminal SSH private key written to disk

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio terminal SSH key authentication in custom_components/blueprint_studio/backend/terminal_manager.py wrote SSH private-key material to a file under the Home Assistant configuration directory before applying restrictive permissions and relied on best-effort cleanup. The key could temporarily remain on disk and could persist if cleanup failed or Home Assistant crashed. A user or process with filesystem access to the Home Assistant configuration directory could obtain the residual private key. This issue is fixed in version 2.5.2.

Severity

5.6 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 18:03 UTC

CWE

CWE-522 - Insufficiently Protected Credentials

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53456",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T18:03:49.705480Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-19T18:20:06.837Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "blueprint-studio",
          "vendor": "ha-china",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.5.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio terminal SSH key authentication in custom_components/blueprint_studio/backend/terminal_manager.py wrote SSH private-key material to a file under the Home Assistant configuration directory before applying restrictive permissions and relied on best-effort cleanup. The key could temporarily remain on disk and could persist if cleanup failed or Home Assistant crashed. A user or process with filesystem access to the Home Assistant configuration directory could obtain the residual private key. This issue is fixed in version 2.5.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
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        {
          "descriptions": [
            {
              "cweId": "CWE-522",
              "description": "CWE-522: Insufficiently Protected Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:50:21.016Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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      },
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        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-3vg8-xf27-7q45",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-3vg8-xf27-7q45"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"
        }
      ],
      "source": {
        "advisory": "GHSA-3vg8-xf27-7q45",
        "discovery": "UNKNOWN"
      },
      "title": "Blueprint Studio terminal SSH private key written to disk"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53456",
    "datePublished": "2026-08-18T20:50:21.016Z",
    "dateReserved": "2026-06-09T16:31:21.495Z",
    "dateUpdated": "2026-08-19T18:20:06.837Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53455 (GCVE-0-2026-53455)

Vulnerability from nvd – Published: 2026-08-18 20:49 – Updated: 2026-08-19 15:25

Title

Blueprint Studio Git credential helper command injection

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio generated a shell-based Git credential helper in custom_components/blueprint_studio/backend/git_manager.py by interpolating the configured Git username and token directly into executable helper script content without validating credential values. An attacker able to set Git credentials could include newline characters or shell syntax in a username or token. When Git executed the generated credential helper, the injected shell commands ran with the operating-system privileges of Home Assistant and could access or modify Home Assistant configuration data. This issue is fixed in version 2.5.2.

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 15:24 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53455",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T15:24:48.957646Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-19T15:25:05.473Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "blueprint-studio",
          "vendor": "ha-china",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.5.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio generated a shell-based Git credential helper in custom_components/blueprint_studio/backend/git_manager.py by interpolating the configured Git username and token directly into executable helper script content without validating credential values. An attacker able to set Git credentials could include newline characters or shell syntax in a username or token. When Git executed the generated credential helper, the injected shell commands ran with the operating-system privileges of Home Assistant and could access or modify Home Assistant configuration data. This issue is fixed in version 2.5.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
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            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:49:36.015Z",
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        "shortName": "GitHub_M"
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      "references": [
        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-wjpc-mc3f-w5rg",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-wjpc-mc3f-w5rg"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
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          "url": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce"
        },
        {
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          "url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"
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      ],
      "source": {
        "advisory": "GHSA-wjpc-mc3f-w5rg",
        "discovery": "UNKNOWN"
      },
      "title": "Blueprint Studio Git credential helper command injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "cveId": "CVE-2026-53455",
    "datePublished": "2026-08-18T20:49:36.015Z",
    "dateReserved": "2026-06-09T16:31:21.494Z",
    "dateUpdated": "2026-08-19T15:25:05.473Z",
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53454 (GCVE-0-2026-53454)

Vulnerability from nvd – Published: 2026-08-18 20:48 – Updated: 2026-08-21 19:14

Title

Blueprint Studio stored Git credentials in plaintext Git credential store

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio configured Git's credential.helper store when saving Git credentials, causing Git credential-store to persist usernames and access tokens in plaintext in the .git-credentials file for the user running Home Assistant. Tokens could remain outside Blueprint Studio's intended Home Assistant storage and be read by other users or processes with access to the same filesystem context. The persistent helper configuration also affected later Git operations beyond the immediate Blueprint Studio action. This issue is fixed in version 2.5.2.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 19:13 UTC

CWE

CWE-522 - Insufficiently Protected Credentials

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53454",
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      "metrics": [
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          "cvssV4_0": {
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          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-pgxq-h2pc-gqq8"
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}

CVE-2026-53453 (GCVE-0-2026-53453)

Vulnerability from nvd – Published: 2026-08-18 20:48 – Updated: 2026-08-19 13:17

Title

Blueprint Studio API authorization bypass for non-admin Home Assistant users

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio exposed administrator-intended backend API actions to any authenticated Home Assistant user because the backend did not consistently enforce the panel's admin-only authorization boundary. Affected surfaces included the backend API, upload API, stream routes, terminal WebSocket, Blueprint Studio WebSocket subscriptions, call_service, render_template, global_replace, file and stream access paths, upload handling, and terminal helpers. A non-admin user could invoke arbitrary Home Assistant services, expose Home Assistant state through templates, modify configuration files, access streamed or downloaded configuration content, upload files, or reach terminal-related helpers. These actions could compromise the confidentiality, integrity, and availability of the Home Assistant installation. This issue is fixed in version 2.5.2.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 13:16 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53453",
                "options": [
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                    "Technical Impact": "total"
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          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-ppwq-ch6x-936g",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-ppwq-ch6x-936g"
        },
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          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
          "tags": [
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        "advisory": "GHSA-ppwq-ch6x-936g",
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      "title": "Blueprint Studio API authorization bypass for non-admin Home Assistant users"
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    "state": "PUBLISHED"
  },
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}

CVE-2026-53457 (GCVE-0-2026-53457)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:51 – Updated: 2026-08-19 19:01

Title

Blueprint Studio terminal command working directory not bounded to config directory

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, the legacy stateless terminal command execution path in custom_components/blueprint_studio/backend/terminal_manager.py accepted a cwd working-directory parameter and checked only whether the directory existed, without requiring it to remain inside the Home Assistant configuration directory. An administrator using the restricted terminal helper could select an existing directory outside the intended configuration boundary. Commands could then access or modify host paths permitted by the Home Assistant container and filesystem permissions, weakening the helper's expected filesystem restriction. This issue is fixed in version 2.5.2.

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 19:01 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53457",
                "options": [
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          "product": "blueprint-studio",
          "vendor": "ha-china",
          "versions": [
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        }
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      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-5cc6-r4rr-fpfh"
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          "url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"
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  "dataType": "CVE_RECORD",
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}

CVE-2026-53456 (GCVE-0-2026-53456)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:50 – Updated: 2026-08-19 18:20

Title

Blueprint Studio terminal SSH private key written to disk

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio terminal SSH key authentication in custom_components/blueprint_studio/backend/terminal_manager.py wrote SSH private-key material to a file under the Home Assistant configuration directory before applying restrictive permissions and relied on best-effort cleanup. The key could temporarily remain on disk and could persist if cleanup failed or Home Assistant crashed. A user or process with filesystem access to the Home Assistant configuration directory could obtain the residual private key. This issue is fixed in version 2.5.2.

Severity

5.6 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 18:03 UTC

CWE

CWE-522 - Insufficiently Protected Credentials

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53456",
                "options": [
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
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        "title": "CISA ADP Vulnrichment"
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          "lang": "en",
          "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio terminal SSH key authentication in custom_components/blueprint_studio/backend/terminal_manager.py wrote SSH private-key material to a file under the Home Assistant configuration directory before applying restrictive permissions and relied on best-effort cleanup. The key could temporarily remain on disk and could persist if cleanup failed or Home Assistant crashed. A user or process with filesystem access to the Home Assistant configuration directory could obtain the residual private key. This issue is fixed in version 2.5.2."
        }
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      "metrics": [
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          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
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      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:50:21.016Z",
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      },
      "references": [
        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-3vg8-xf27-7q45",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-3vg8-xf27-7q45"
        },
        {
          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
          "tags": [
            "x_refsource_MISC"
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      ],
      "source": {
        "advisory": "GHSA-3vg8-xf27-7q45",
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      },
      "title": "Blueprint Studio terminal SSH private key written to disk"
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  "cveMetadata": {
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}

CVE-2026-53455 (GCVE-0-2026-53455)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:49 – Updated: 2026-08-19 15:25

Title

Blueprint Studio Git credential helper command injection

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio generated a shell-based Git credential helper in custom_components/blueprint_studio/backend/git_manager.py by interpolating the configured Git username and token directly into executable helper script content without validating credential values. An attacker able to set Git credentials could include newline characters or shell syntax in a username or token. When Git executed the generated credential helper, the injected shell commands ran with the operating-system privileges of Home Assistant and could access or modify Home Assistant configuration data. This issue is fixed in version 2.5.2.

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 15:24 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        "metrics": [
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                "id": "CVE-2026-53455",
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          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-wjpc-mc3f-w5rg"
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        {
          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
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  },
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}

CVE-2026-53454 (GCVE-0-2026-53454)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:48 – Updated: 2026-08-21 19:14

Title

Blueprint Studio stored Git credentials in plaintext Git credential store

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio configured Git's credential.helper store when saving Git credentials, causing Git credential-store to persist usernames and access tokens in plaintext in the .git-credentials file for the user running Home Assistant. Tokens could remain outside Blueprint Studio's intended Home Assistant storage and be read by other users or processes with access to the same filesystem context. The persistent helper configuration also affected later Git operations beyond the immediate Blueprint Studio action. This issue is fixed in version 2.5.2.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 19:13 UTC

CWE

CWE-522 - Insufficiently Protected Credentials

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53454",
                "options": [
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                    "Automatable": "no"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
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          "product": "blueprint-studio",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
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          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-pgxq-h2pc-gqq8"
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            "x_refsource_MISC"
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        "advisory": "GHSA-pgxq-h2pc-gqq8",
        "discovery": "UNKNOWN"
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  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53453 (GCVE-0-2026-53453)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:48 – Updated: 2026-08-19 13:17

Title

Blueprint Studio API authorization bypass for non-admin Home Assistant users

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio exposed administrator-intended backend API actions to any authenticated Home Assistant user because the backend did not consistently enforce the panel's admin-only authorization boundary. Affected surfaces included the backend API, upload API, stream routes, terminal WebSocket, Blueprint Studio WebSocket subscriptions, call_service, render_template, global_replace, file and stream access paths, upload handling, and terminal helpers. A non-admin user could invoke arbitrary Home Assistant services, expose Home Assistant state through templates, modify configuration files, access streamed or downloaded configuration content, upload files, or reach terminal-related helpers. These actions could compromise the confidentiality, integrity, and availability of the Home Assistant installation. This issue is fixed in version 2.5.2.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 13:16 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53453",
                "options": [
                  {
                    "Exploitation": "none"
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                    "Automatable": "no"
                  },
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                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T13:16:37.593356Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
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        {
          "product": "blueprint-studio",
          "vendor": "ha-china",
          "versions": [
            {
              "status": "affected",
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            }
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          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
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            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
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      ],
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        "dateUpdated": "2026-08-18T20:48:20.578Z",
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        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-ppwq-ch6x-936g",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-ppwq-ch6x-936g"
        },
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          "name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"
        }
      ],
      "source": {
        "advisory": "GHSA-ppwq-ch6x-936g",
        "discovery": "UNKNOWN"
      },
      "title": "Blueprint Studio API authorization bypass for non-admin Home Assistant users"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
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    "datePublished": "2026-08-18T20:48:20.578Z",
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    "dateUpdated": "2026-08-19T13:17:06.706Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53458 (GCVE-0-2026-53458)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:47 – Updated: 2026-08-19 13:37

Title

Blueprint Studio API exposed internal exception details

Summary

Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py returned raw exception strings to authenticated Home Assistant users. Some exception messages could contain internal filesystem paths or implementation details. The disclosed information could help an authenticated user fingerprint a Home Assistant installation and refine follow-up attacks. This issue is fixed in version 2.5.2.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 13:37 UTC

CWE

CWE-209 - Generation of Error Message Containing Sensitive Information

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/ha-china/blueprint-studio/secu…	x_refsource_CONFIRM
https://github.com/ha-china/blueprint-studio/comm…	x_refsource_MISC
https://github.com/ha-china/blueprint-studio/rele…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
ha-china	blueprint-studio	Affected: < 2.5.2

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53458",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-19T13:37:12.663594Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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          "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio backend API handlers in custom_components/blueprint_studio/backend/api.py returned raw exception strings to authenticated Home Assistant users. Some exception messages could contain internal filesystem paths or implementation details. The disclosed information could help an authenticated user fingerprint a Home Assistant installation and refine follow-up attacks. This issue is fixed in version 2.5.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          }
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:47:25.772Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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      "references": [
        {
          "name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-6vc4-5wqj-fm6p",
          "tags": [
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          "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-6vc4-5wqj-fm6p"
        },
        {
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          "tags": [
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          "tags": [
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      ],
      "source": {
        "advisory": "GHSA-6vc4-5wqj-fm6p",
        "discovery": "UNKNOWN"
      },
      "title": "Blueprint Studio API exposed internal exception details"
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53458",
    "datePublished": "2026-08-18T20:47:25.772Z",
    "dateReserved": "2026-06-09T16:31:21.495Z",
    "dateUpdated": "2026-08-19T13:37:30.683Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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