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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2026-26047	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2440905	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::

History

No history.

Information

Published : 2026-02-21 06:17

Updated : 2026-02-26 19:45

NVD link : CVE-2026-26047

Mitre link : CVE-2026-26047

CVE.ORG link : CVE-2026-26047

JSON object : View

Products Affected

moodle

moodle

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-770

Allocation of Resources Without Limits or Throttling

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