FKIE_CVE-2026-62967

Vulnerability from fkie_nvd - Published: 2026-10-30 21:17 - Updated: 2026-11-05 03:17
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
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.
References
security-advisories@github.comhttps://github.com/sinamics/ztnet/commit/7966af6e62aa5778d3a698cee97053fdcb07d742
security-advisories@github.comhttps://github.com/sinamics/ztnet/pull/941
security-advisories@github.comhttps://github.com/sinamics/ztnet/releases/tag/v0.8.0
security-advisories@github.comhttps://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/sinamics/ztnet/security/advisories/GHSA-vqfc-cmp9-c33q
Impacted products
Vendor Product Version
To clipboard 

{
  "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"
    }
  ]
}



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