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    CVE-2026-26047

    A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. When rendering TeX content using mimetex, insufficient execution time limits could allow specially crafted formulas to consume excessive server resources. An authenticated user could abuse this behavior to degrade performance or cause service interruption.

    Published:Feb 21, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 21, 2026
    EPSS Score:0.00076
    CVSS Score:6.5

    Affected Products

    Vendor
    Moodle
    Product
    Moodle

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2025-67855 (CVSS 5.4) — A flaw was found in mooodle. A remote attacker could exploit a reflected Cross-Site Scripting (XSS) vulnerabil…
    CVE-2025-67853 (CVSS 7.5) — A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High