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{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.27.4-3"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.27.4-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.27.4-3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.27.3-1",
        "1:1.27.4-1",
        "1:1.27.4-2",
        "1:1.27.4-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.31.7-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.31.7-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.31.7-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.31.2-1ubuntu1",
        "1:1.31.5-1",
        "1:1.31.5-1ubuntu1",
        "1:1.31.5-2",
        "1:1.31.5-3",
        "1:1.31.5-3ubuntu1",
        "1:1.31.6-1",
        "1:1.31.7-1",
        "1:1.31.7-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.35.6-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.35.6-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.35.6-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.35.3-1",
        "1:1.35.4-1",
        "1:1.35.5-1",
        "1:1.35.5-1ubuntu1",
        "1:1.35.5-1ubuntu2",
        "1:1.35.5-1ubuntu3",
        "1:1.35.6-1",
        "1:1.35.6-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.39.7-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.39.7-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.39.7-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.39.4-2",
        "1:1.39.5-1",
        "1:1.39.6-1",
        "1:1.39.7-1",
        "1:1.39.7-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mediawiki",
            "binary_version": "1:1.43.8+dfsg-2"
          },
          {
            "binary_name": "mediawiki-classes",
            "binary_version": "1:1.43.8+dfsg-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "mediawiki",
        "purl": "pkg:deb/ubuntu/mediawiki@1:1.43.8+dfsg-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.43.3+dfsg-1",
        "1:1.43.5+dfsg-1",
        "1:1.43.6+dfsg-2",
        "1:1.43.8+dfsg-1",
        "1:1.43.8+dfsg-2"
      ]
    }
  ],
  "aliases": [],
  "details": "[Unknown description]",
  "id": "UBUNTU-CVE-2026-102974",
  "modified": "2026-10-02T00:00:00Z",
  "published": "2026-10-02T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-102974"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-102974"
    },
    {
      "type": "REPORT",
      "url": "https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/4WXGIT3HVZ7QSELSPT6BX7XUFM6UMW2D/"
    },
    {
      "type": "REPORT",
      "url": "https://phabricator.wikimedia.org/T435457"
    },
    {
      "type": "REPORT",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1347844"
    },
    {
      "type": "REPORT",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1347892"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-102974"
  ]
}