CVE Database
/

CVE-2026-26047

Back to search

CVE-2026-26047

Published: Feb 21, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

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.

VendorProductVersions

Unknown

moodle

affected
0 - < 4.5.9
affected
5.0.0 - < 5.0.5
affected
5.1.0 - < 5.1.2

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

RHBZ#2440905
issue-tracking
x_refsource_REDHAT

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now