Moodle Feedback SEGBM mode bypasses permission checks
CVE-2025-26526 Published on February 24, 2025
Feedback response viewing and deletions did not respect Separate Groups mode
Separate Groups mode restrictions were not factored into permission
checks before allowing viewing or deletion of responses in Feedback
activities.
Vulnerability Analysis
CVE-2025-26526 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2025-26526 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2025-26526
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Affected Versions
Moodle Project moodle:- Version 4.5.0 and below 4.5.2 is affected.
- Version 4.4.0 and below 4.4.6 is affected.
- Version 4.3.0 and below 4.3.10 is affected.
- Version 4.1.0 and below 4.1.16 is affected.
- Version 4.2.0 and below 4.2.* is unknown.
- Before 4.0.* is unknown.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.