CVE-2026-26047CWE-400
Moodle: moodle: uncontrolled resource consumption in tex formula editor leading to denial of service
Medium · published February 21, 2026
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