CVE-2026-26047

6.5 mediumEPSS 0.5%

Medium (6.5) in moodle moodle. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWEs: CWE-770, CWE-400
Published: 2026-02-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

moodle:moodle

References

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

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