CVE-2026-26047

MEDIUM
2026-02-21 [email protected] GHSA-cg8j-5cr2-568q
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:04 vuln.today
CVE Published
Feb 21, 2026 - 06:17 nvd
MEDIUM 6.5

Tags

Moodle

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.

Analysis

Moodle's TeX formula editor fails to enforce adequate execution time limits when processing mimetex content, enabling authenticated users to craft malicious formulas that exhaust server resources. This resource exhaustion vulnerability can degrade application performance or trigger denial-of-service conditions without requiring user interaction or privilege escalation.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +32
POC: 0

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CVE-2026-26047 vulnerability details – vuln.today
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