CVE-2026-62967 (GCVE-0-2026-62967)

Vulnerability from cvelistv5 – Published: 2026-10-30 20:54 – Updated: 2026-11-05 02:52
VLAI
Title
ZTNET privilege bypass: any user can deactivate arbitrary accounts via /api/auth/user/invalidateUser
Summary
ZTNET is a ZeroTier web UI for private controllers with multiuser and organization support. Prior to 0.8.0, any authenticated low-privilege user can permanently deactivate another account, including an administrator, through `POST /api/auth/user/invalidateUser`. In `src/pages/api/auth/user/invalidateUser.ts`, `getServerSession` checks only that a session exists and does not compare `session.user.id` with the client-supplied `userId`. Supplying a victim's `userId` and a `deviceId` for which no matching pair exists in `UserDevice` makes the handler set the target account's `isActive` to false. Login is then refused by `src/server/auth.ts` with `account-expired`. An attacker needs only a normal authenticated account and the victim's user ID, which may be obtainable from member lists, UI responses, logs, or other application metadata. This can lock administrators out, disrupt organization management, and deny access to any targeted user. This issue is fixed in version 0.8.0.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 02:51 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7889 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
sinamics ztnet Affected: < 0.8.0
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-62967",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-05T02:51:41.328149Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-11-05T02:52:07.605Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ztnet",
          "vendor": "sinamics",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.8.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "ZTNET is a ZeroTier web UI for private controllers with multiuser and organization support. Prior to 0.8.0, any authenticated low-privilege user can permanently deactivate another account, including an administrator, through `POST /api/auth/user/invalidateUser`. In `src/pages/api/auth/user/invalidateUser.ts`, `getServerSession` checks only that a session exists and does not compare `session.user.id` with the client-supplied `userId`. Supplying a victim\u0027s `userId` and a `deviceId` for which no matching pair exists in `UserDevice` makes the handler set the target account\u0027s `isActive` to false. Login is then refused by `src/server/auth.ts` with `account-expired`. An attacker needs only a normal authenticated account and the victim\u0027s user ID, which may be obtainable from member lists, UI responses, logs, or other application metadata. This can lock administrators out, disrupt organization management, and deny access to any targeted user. This issue is fixed in version 0.8.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T20:54:52.378Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q"
        },
        {
          "name": "https://github.com/sinamics/ztnet/pull/941",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sinamics/ztnet/pull/941"
        },
        {
          "name": "https://github.com/sinamics/ztnet/commit/7966af6e62aa5778d3a698cee97053fdcb07d742",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sinamics/ztnet/commit/7966af6e62aa5778d3a698cee97053fdcb07d742"
        },
        {
          "name": "https://github.com/sinamics/ztnet/releases/tag/v0.8.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sinamics/ztnet/releases/tag/v0.8.0"
        }
      ],
      "source": {
        "advisory": "GHSA-vqfc-cmp9-c33q",
        "discovery": "UNKNOWN"
      },
      "title": "ZTNET privilege bypass: any user can deactivate arbitrary accounts via /api/auth/user/invalidateUser"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-62967",
    "datePublished": "2026-10-30T20:54:52.378Z",
    "dateReserved": "2026-07-14T22:48:09.780Z",
    "dateUpdated": "2026-11-05T02:52:07.605Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-62967",
      "date": "2026-11-04",
      "epss": "0.00368",
      "percentile": "0.30823"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "ztnet",
                "vendor": "sinamics",
                "versions": [
                  {
                    "status": "affected",
                    "version": "\u003c 0.8.0"
                  }
                ]
              }
            ],
            "source": "security-advisories@github.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "ZTNET is a ZeroTier web UI for private controllers with multiuser and organization support. Prior to 0.8.0, any authenticated low-privilege user can permanently deactivate another account, including an administrator, through `POST /api/auth/user/invalidateUser`. In `src/pages/api/auth/user/invalidateUser.ts`, `getServerSession` checks only that a session exists and does not compare `session.user.id` with the client-supplied `userId`. Supplying a victim\u0027s `userId` and a `deviceId` for which no matching pair exists in `UserDevice` makes the handler set the target account\u0027s `isActive` to false. Login is then refused by `src/server/auth.ts` with `account-expired`. An attacker needs only a normal authenticated account and the victim\u0027s user ID, which may be obtainable from member lists, UI responses, logs, or other application metadata. This can lock administrators out, disrupt organization management, and deny access to any targeted user. This issue is fixed in version 0.8.0."
          }
        ],
        "id": "CVE-2026-62967",
        "lastModified": "2026-11-05T03:17:30.127",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.2,
              "source": "security-advisories@github.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-62967",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-05T02:51:41.328149Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-10-30T21:17:15.290",
        "references": [
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/sinamics/ztnet/commit/7966af6e62aa5778d3a698cee97053fdcb07d742"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/sinamics/ztnet/pull/941"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/sinamics/ztnet/releases/tag/v0.8.0"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q"
          },
          {
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "url": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-62967",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-11-05T02:51:41.328149Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-11-05T02:52:00.493Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "exploit"
                ],
                "url": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "ztnet",
              "vendor": "sinamics",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003c 0.8.0"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "ZTNET is a ZeroTier web UI for private controllers with multiuser and organization support. Prior to 0.8.0, any authenticated low-privilege user can permanently deactivate another account, including an administrator, through `POST /api/auth/user/invalidateUser`. In `src/pages/api/auth/user/invalidateUser.ts`, `getServerSession` checks only that a session exists and does not compare `session.user.id` with the client-supplied `userId`. Supplying a victim\u0027s `userId` and a `deviceId` for which no matching pair exists in `UserDevice` makes the handler set the target account\u0027s `isActive` to false. Login is then refused by `src/server/auth.ts` with `account-expired`. An attacker needs only a normal authenticated account and the victim\u0027s user ID, which may be obtainable from member lists, UI responses, logs, or other application metadata. This can lock administrators out, disrupt organization management, and deny access to any targeted user. This issue is fixed in version 0.8.0."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-862",
                  "description": "CWE-862: Missing Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-30T20:54:52.378Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q"
            },
            {
              "name": "https://github.com/sinamics/ztnet/pull/941",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/sinamics/ztnet/pull/941"
            },
            {
              "name": "https://github.com/sinamics/ztnet/commit/7966af6e62aa5778d3a698cee97053fdcb07d742",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/sinamics/ztnet/commit/7966af6e62aa5778d3a698cee97053fdcb07d742"
            },
            {
              "name": "https://github.com/sinamics/ztnet/releases/tag/v0.8.0",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/sinamics/ztnet/releases/tag/v0.8.0"
            }
          ],
          "source": {
            "advisory": "GHSA-vqfc-cmp9-c33q",
            "discovery": "UNKNOWN"
          },
          "title": "ZTNET privilege bypass: any user can deactivate arbitrary accounts via /api/auth/user/invalidateUser"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2026-62967",
        "datePublished": "2026-10-30T20:54:52.378Z",
        "dateReserved": "2026-07-14T22:48:09.780Z",
        "dateUpdated": "2026-11-05T02:52:07.605Z",
        "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.