CVE-2026-59561 (GCVE-0-2026-59561)

Vulnerability from cvelistv5 – Published: 2026-08-24 04:50 – Updated: 2026-08-24 16:35
VLAI
Summary
Sakura Editor provided by Sakura Editor Development Community contains an OS command injection vulnerability. If a victim user is directed to edit a file in a crafted directory, arbitrary OS command may be executed on the user's PC when the user invokes "Open Terminal".
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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 2026-08-24 16:35 UTC
CWE
  • CWE-78 - Improper neutralization of special elements used in an OS command ('OS Command Injection')
Assigner
jpcert CNA under the jpcert root
CNA scorecard C 64/100 over 176 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Sakura Editor Development Community Sakura Editor Affected: 0 , < 2.4.3 (semver)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59561",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-24T16:35:16.512486Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-24T16:35:38.479Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Sakura Editor",
          "vendor": "Sakura Editor Development Community",
          "versions": [
            {
              "lessThan": "2.4.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Sakura Editor provided by Sakura Editor Development Community contains an OS command injection vulnerability. If a victim user is directed to edit a file in a crafted directory, arbitrary OS command may be executed on the user\u0027s PC when the user invokes \"Open Terminal\"."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "Improper neutralization of special elements used in an OS command (\u0027OS Command Injection\u0027)",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-24T04:50:58.663Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://github.com/sakura-editor/sakura/security/advisories/GHSA-6x2x-729r-wjh5"
        },
        {
          "url": "https://github.com/sakura-editor/sakura/releases/tag/v2.4.3"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN74538868/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2026-59561",
    "datePublished": "2026-08-24T04:50:58.663Z",
    "dateReserved": "2026-07-06T00:19:50.361Z",
    "dateUpdated": "2026-08-24T16:35:38.479Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-59561",
      "date": "2026-10-22",
      "epss": "0.01086",
      "percentile": "0.64993"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Sakura Editor",
                "vendor": "Sakura Editor Development Community",
                "versions": [
                  {
                    "lessThan": "2.4.3",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "vultures@jpcert.or.jp"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Sakura Editor provided by Sakura Editor Development Community contains an OS command injection vulnerability. If a victim user is directed to edit a file in a crafted directory, arbitrary OS command may be executed on the user\u0027s PC when the user invokes \"Open Terminal\"."
          },
          {
            "lang": "es",
            "value": "Sakura Editor proporcionado por la Comunidad de Desarrollo de Sakura Editor contiene una vulnerabilidad de inyecci\u00f3n de comandos del sistema operativo. Si un usuario v\u00edctima es dirigido a editar un archivo en un directorio dise\u00f1ado espec\u00edficamente, comandos arbitrarios del sistema operativo pueden ser ejecutados en el PC del usuario cuyo este invoca Abrir Terminal."
          }
        ],
        "id": "CVE-2026-59561",
        "lastModified": "2026-10-12T16:10:00.220",
        "metrics": {
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "vultures@jpcert.or.jp",
              "type": "Secondary"
            }
          ],
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "LOCAL",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 8.4,
                "baseSeverity": "HIGH",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "ACTIVE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "vultures@jpcert.or.jp",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-59561",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-24T16:35:16.512486Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-08-24T05:16:55.090",
        "references": [
          {
            "source": "vultures@jpcert.or.jp",
            "url": "https://github.com/sakura-editor/sakura/releases/tag/v2.4.3"
          },
          {
            "source": "vultures@jpcert.or.jp",
            "url": "https://github.com/sakura-editor/sakura/security/advisories/GHSA-6x2x-729r-wjh5"
          },
          {
            "source": "vultures@jpcert.or.jp",
            "url": "https://jvn.jp/en/jp/JVN74538868/"
          }
        ],
        "sourceIdentifier": "vultures@jpcert.or.jp",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-78"
              }
            ],
            "source": "vultures@jpcert.or.jp",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-59561",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-08-24T16:35:16.512486Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-08-24T16:35:31.621Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Sakura Editor",
              "vendor": "Sakura Editor Development Community",
              "versions": [
                {
                  "lessThan": "2.4.3",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Sakura Editor provided by Sakura Editor Development Community contains an OS command injection vulnerability. If a victim user is directed to edit a file in a crafted directory, arbitrary OS command may be executed on the user\u0027s PC when the user invokes \"Open Terminal\"."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV4_0": {
                "baseScore": 8.4,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-78",
                  "description": "Improper neutralization of special elements used in an OS command (\u0027OS Command Injection\u0027)",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-08-24T04:50:58.663Z",
            "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
            "shortName": "jpcert"
          },
          "references": [
            {
              "url": "https://github.com/sakura-editor/sakura/security/advisories/GHSA-6x2x-729r-wjh5"
            },
            {
              "url": "https://github.com/sakura-editor/sakura/releases/tag/v2.4.3"
            },
            {
              "url": "https://jvn.jp/en/jp/JVN74538868/"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2026-59561",
        "datePublished": "2026-08-24T04:50:58.663Z",
        "dateReserved": "2026-07-06T00:19:50.361Z",
        "dateUpdated": "2026-08-24T16:35:38.479Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.