CVE-2026-26047
Last modified
CVE-2026-26047 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | < 4.5.9 |
| Moodle | Moodle | >= 5.0.0, < 5.0.5 |
| Moodle | Moodle | >= 5.1.0, < 5.1.2 |
References
- https://access.redhat.com/security/cve/CVE-2026-26047Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2440905Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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