CVE-2026-26047: Moodle TeX formula editor is vulnerable to DoS through lack of execution time limits

medium Affects moodle/moodle. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Moodle TeX formula editor is vulnerable to DoS through lack of execution time limits

Package
moodle/moodle Composer
Affected versions
>=5.1.0-beta and <5.1.2 or >=5.0.0-beta and <5.0.5 or <4.5.9
Fixed in
5.1.2, 5.0.5, 4.5.9
Severity
medium  CVSS 6.5
Exploitation
not on CISA KEV · EPSS 1% (43.1th percentile)
Published
2026-02-21
Source
osv.dev

References

CWE-400CWE-770
NVD recordmoodle/moodle advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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