{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "4.2.0-alpha.2"
              },
              {
                "fixed": "4.2.0-beta"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "7a9aea18c10c1ff245a8f833e09af2c494403c05"
            },
            {
              "fixed": "e137c1e017b15ffa01181a2380b81e1aea5ae1ad"
            }
          ],
          "repo": "https://github.com/thorsten/phpmyfaq",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-6vf7-mrj2-7c37"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-269"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111891.json"
  },
  "details": "phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta contains a privilege escalation vulnerability in the group permission API, whose updatePermissions and updateMembers endpoints check held rights without regard to language or category scope and write unrestricted group grants. Non-superadmin administrators holding GROUP_EDIT can grant a group a right they hold only in a narrow scope and self-join it via updateMembers, gaining unrestricted FAQ create, edit, and publish access across all languages and categories.",
  "id": "CVE-2026-111891",
  "modified": "2026-10-20T02:30:19.663597411Z",
  "published": "2026-10-17T18:46:15.227Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111891.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-6vf7-mrj2-7c37"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111891"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/phpmyfaq-from-4.2.0-alpha.2-before-4.2.0-beta-privilege-escalation-via-group-permissions-api"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via Group Permissions API"
}