FKIE_CVE-2026-104198

Vulnerability from fkie_nvd - Published: 2026-10-15 20:17 - Updated: 2026-10-15 21:17
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
ZoneMinder is a free, open source closed-circuit television software application. In versions 1.34.0 through 1.36.38, the web interface mishandles failed token authentication in web/includes/auth.php. validateToken() returns false when a token is malformed or has an invalid signature, but the caller assigns that value to the global $user variable; because web/index.php tests isset($user), boolean false is treated as a present user and the normal login redirect is skipped. This can dispatch views that rely on the outer authentication gate, including the zones view, which accepts an attacker-selected monitor ID and discloses monitor and zone metadata without an independent permission check. Permission helpers receive the false user value and deny privileged operations, so unauthorized state changes have not been established. This vulnerability is fixed in version 1.36.63, where conversion to ZM\User objects causes invalid token state to fail before view dispatch. Later defense-in-depth changes explicitly leave $user unset after failed token validation and reject non-ZM\User values at the web authentication gate.
References
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/commit/144a04ca4fff5fd02745ce8afc239ba5e05cf8ac
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/commit/6b94903e634fdb46cb71a48eadccf1aa14f0c2bb
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/commit/71bb186b230dbe2aba5e2f804c36810aae892088
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/commit/95460a945ab7e5c63dc0551bdd6230a3026ceb9e
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/commit/969baa38912018b502617d09e836d0bfa57d4af6
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/commit/d71fbb805e4695a9599498a1a2ee3b286ef41c96
security-advisories@github.comhttps://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-23fj-frfw-hmcr
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "zoneminder",
          "vendor": "ZoneMinder",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.34.0, \u003c 1.36.63"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ZoneMinder is a free, open source closed-circuit television software application. In versions 1.34.0 through 1.36.38, the web interface mishandles failed token authentication in web/includes/auth.php. validateToken() returns false when a token is malformed or has an invalid signature, but the caller assigns that value to the global $user variable; because web/index.php tests isset($user), boolean false is treated as a present user and the normal login redirect is skipped. This can dispatch views that rely on the outer authentication gate, including the zones view, which accepts an attacker-selected monitor ID and discloses monitor and zone metadata without an independent permission check. Permission helpers receive the false user value and deny privileged operations, so unauthorized state changes have not been established. This vulnerability is fixed in version 1.36.63, where conversion to ZM\\User objects causes invalid token state to fail before view dispatch. Later defense-in-depth changes explicitly leave $user unset after failed token validation and reject non-ZM\\User values at the web authentication gate."
    }
  ],
  "id": "CVE-2026-104198",
  "lastModified": "2026-10-15T21:17:02.680",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-104198",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-15T20:34:15.363799Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-15T20:17:06.127",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/commit/144a04ca4fff5fd02745ce8afc239ba5e05cf8ac"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/commit/6b94903e634fdb46cb71a48eadccf1aa14f0c2bb"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/commit/71bb186b230dbe2aba5e2f804c36810aae892088"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/commit/95460a945ab7e5c63dc0551bdd6230a3026ceb9e"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/commit/969baa38912018b502617d09e836d0bfa57d4af6"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/commit/d71fbb805e4695a9599498a1a2ee3b286ef41c96"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-23fj-frfw-hmcr"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        },
        {
          "lang": "en",
          "value": "CWE-697"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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