{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.5.314"
              },
              {
                "introduced": "Wiki.js"
              },
              {
                "fixed": "2.5.314"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6f042e97cc2d3acda6b6ff611de8e0faacce91c1"
            }
          ],
          "repo": "https://github.com/requarks/wiki",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92776.json"
  },
  "details": "Wiki.js through 2.5.314 fails to require path separators when matching START and END page rules, allowing attackers to access pages sharing a prefix with authorized folders. Users granted access to a folder can read and modify unrelated pages with matching prefixes, bypassing intended access controls.",
  "id": "CVE-2026-92776",
  "modified": "2026-09-20T11:30:45.009068748Z",
  "published": "2026-09-16T20:32:36.130Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92776.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92776"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/wiki-js-through-2.5.314-path-prefix-matching-authorization-bypass"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/requarks/wiki"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/requarks/wiki/blob/v2.5.314/server/core/auth.js#L252-L263"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/geo-chen/oss/blob/main/wiki.md#finding-3-page-permission-rule-engine-grants-readwrite-access-to-any-page-whose-path-shares-a-literal-prefix-with-an-allowed-path-no-path-segment-boundary-check"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Wiki.js through 2.5.314 Path Prefix Matching Authorization Bypass"
}