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CVE-2026-26046

HIGHCVSS 7.2/10EPSS 2.20%

Last modified

CVE-2026-26046 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A vulnerability was found in a Moodle TeX filter administrative setting where insufficient sanitization of configuration input could allow command injection. On sites where the TeX filter is enabled and ImageMagick is installed, a maliciously crafted setting value entered by an administrator could result in unintended system command execution. EPSS estimates a 2.20% chance of exploitation in the next 30 days.

Description

A vulnerability was found in a Moodle TeX filter administrative setting where insufficient sanitization of configuration input could allow command injection. On sites where the TeX filter is enabled and ImageMagick is installed, a maliciously crafted setting value entered by an administrator could result in unintended system command execution. While exploitation requires administrative privileges, successful compromise could affect the entire Moodle server.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
2.20%

80.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle< 4.5.9
MoodleMoodle>= 5.0.0, < 5.0.5
MoodleMoodle>= 5.1.0, < 5.1.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-26046?
A vulnerability was found in a Moodle TeX filter administrative setting where insufficient sanitization of configuration input could allow command injection. On sites where the TeX filter is enabled and ImageMagick is installed, a maliciously crafted setting value entered by an administrator could result in unintended system command execution. While exploitation requires administrative privileges, successful compromise could affect the entire Moodle server.
How severe is CVE-2026-26046?
CVE-2026-26046 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.20% probability of exploitation in the next 30 days.
How do I fix CVE-2026-26046?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26046?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST