Medium severity6.5NVD Advisory· Published Feb 21, 2026· Updated Jun 17, 2026
CVE-2026-26047
CVE-2026-26047
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
moodle/moodlePackagist | >= 5.1.0-beta, < 5.1.2 | 5.1.2 |
moodle/moodlePackagist | >= 5.0.0-beta, < 5.0.5 | 5.0.5 |
moodle/moodlePackagist | < 4.5.9 | 4.5.9 |
Affected products
3- osv-coords2 versions
< 4.5.9+ 1 more
- (no CPE)range: < 4.5.9
- (no CPE)range: >= 5.1.0-beta, < 5.1.2
Patches
Vulnerability mechanics
References
6- access.redhat.com/security/cve/CVE-2026-26047nvdThird Party AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-cg8j-5cr2-568qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-26047ghsaADVISORY
- github.com/moodle/moodle/commit/8683b4a04939332e353cad1be51222930dc40b2cghsaWEB
- moodle.org/mod/forum/discuss.phpghsaWEB
News mentions
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