CVE-2026-26047CWE-400

Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service

Medium · published February 21, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
50.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00650 · 50.6th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-02-21T05:40Z
EPSS history
Timeline
  • 21 FEB 05:40Z
    Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service
    cvelistv5