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CVE-2026-26047 Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service

🗓️ 21 Feb 2026 05:40:11Reported by fedoraType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Authenticated Moodle users can cause denial of service via the formula editor with mimetex.

Related
Affected
Refs
[
  {
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "4.5.9",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.0.0",
        "lessThan": "5.0.5",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.1.0",
        "lessThan": "5.1.2",
        "versionType": "semver"
      }
    ],
    "packageName": "moodle",
    "collectionURL": "https://github.com/moodle/moodle",
    "defaultStatus": "unaffected"
  }
]

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21 Feb 2026 05:40Current
CVSS 3.16.5
EPSS0.00435
23