{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.3.1"
                  },
                  {
                    "fixed": "7.4.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "32ca6d8fc75735aa7a2ecc573886391da126da9b"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "original_tag": "7.4.1",
                "range": [
                  {
                    "fixed": "bcc3cbf4884f0474232a68d3eff060f93a506379"
                  }
                ],
                "source": "REFERENCES_TAG"
              }
            ]
          },
          "events": [
            {
              "introduced": "60637e855c294f3d223ddeef57af24338def7a8a"
            },
            {
              "fixed": "bcc3cbf4884f0474232a68d3eff060f93a506379"
            },
            {
              "fixed": "32ca6d8fc75735aa7a2ecc573886391da126da9b"
            }
          ],
          "repo": "https://github.com/semanticmediawiki/semanticmediawiki",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-gh59-2vh3-6cgm"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126566.json"
  },
  "details": "Semantic MediaWiki 7.3.1 before 7.4.1 contains an incorrect authorization vulnerability in EditProtectionUpdater::userMayChangeProtection() that checks protection changes against the page's latest revision author. Editors can add {{#set:Is edit protected=false}} to a transcluded template, removing administrator edit and move protection logged under the administrator's name.",
  "id": "CVE-2026-126566",
  "modified": "2026-11-12T02:31:13.239681804Z",
  "published": "2026-11-11T02:36:04.046Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126566.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-gh59-2vh3-6cgm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126566"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/semantic-mediawiki-7.3.1-before-7.4.1-incorrect-authorization-via-edit-protection-annotations"
    },
    {
      "type": "FIX",
      "url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/32ca6d8fc75735aa7a2ecc573886391da126da9b"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/DataUpdater.php#L360-L375"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Protection/EditProtectionUpdater.php#L147-L200"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Semantic MediaWiki 7.3.1 before 7.4.1 Incorrect Authorization via Edit Protection Annotations"
}