{
  "cveId": "CVE-2026-34091",
  "url": "https://patchblox.com/security/cve/CVE-2026-34091",
  "summary": "CVE-2026-34091 is fixed in 2 products on 1 platform, first by mediawiki 1:1.43.8\u002Bdfsg-2, released May 11, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "mediawiki: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki",
  "description": "Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.  This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.",
  "published": "2026-05-11T09:17:00Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.0029,
  "epssPercentile": 0.21679,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mediawiki",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:1.43.8\u002Bdfsg-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-34091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34091",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "mediawiki",
      "release": "Debian 14",
      "fixedVersion": "1:1.43.8\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-34091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34091",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "mediawiki",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:1.43.8\u002Bdfsg-2",
      "fix": "mediawiki 1:1.43.8\u002Bdfsg-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-mediawiki-1-1.43.8-dfsg-2",
      "released": "2026-05-11T09:17:00Z"
    },
    {
      "platform": "linux",
      "product": "mediawiki-classes",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1:1.43.8\u002Bdfsg-2",
      "fix": "mediawiki-classes 1:1.43.8\u002Bdfsg-2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-mediawiki-classes-1-1.43.8-dfsg-2",
      "released": "2026-05-11T09:17:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}