CVE-2025-26526
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-26526- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2025-4276
Separate Groups mode restrictions were not factored into permission checks before allowing viewing or deletion of responses in Feedback activities.
- Record
EUVD-2025-4276- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pxg4-xjp7-w9c5
Moodle's 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.
- Record
GHSA-pxg4-xjp7-w9c5- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
Separate Groups mode restrictions were not factored into permission checks before allowing viewing or deletion of responses in Feedback activities.
- Record
CVE-2025-26526- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2025-26526- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSVGHSA-pxg4-xjp7-w9c5
Moodle's 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.
- Record
GHSA-pxg4-xjp7-w9c5- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-26526
Separate Groups mode restrictions were not factored into permission checks before allowing viewing or deletion of responses in Feedback activities.
- Record
UBUNTU-CVE-2025-26526- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-moodle-2025-26526 No score
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.
- Record
BIT-moodle-2025-26526- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
4.5.0-beta up to 4.5.2 | 4.5.2 |
moodle/moodlePackagist |
4.4.0-beta up to 4.4.6 | 4.4.6 |
moodle/moodlePackagist |
4.3.0-beta up to 4.3.10 | 4.3.10 |
moodle/moodlePackagist |
before 4.1.16 | 4.1.16 |
moodleBitnami |
4.1.0 up to 4.1.16, 4.3.0 up to 4.3.10, 4.4.0 up to 4.4.6, 4.5.0 up to 4.5.2 | 4.1.164.3.104.4.64.5.2 |
moodle/moodlePackagist |
4.5.0-beta up to 4.5.2, plus listed versions v4.5.0v4.5.0-betav4.5.0-rc1v4.5.0-rc2v4.5.1 |
4.5.2 |
moodle/moodlePackagist |
4.4.0-beta up to 4.4.6, plus listed versions v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2v4.4.1 Show 4 moreShow lessv4.4.2v4.4.3v4.4.4v4.4.5 |
4.4.6 |
moodle/moodlePackagist |
4.3.0-beta up to 4.3.10, plus listed versions v4.3.0v4.3.0-betav4.3.0-rc1v4.3.0-rc2v4.3.1 Show 8 moreShow lessv4.3.2v4.3.3v4.3.4v4.3.5v4.3.6v4.3.7v4.3.8v4.3.9 |
4.3.10 |
moodle/moodlePackagist |
before 4.1.16, plus listed versions v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6 Show 45 moreShow lessv2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1 |
4.1.16 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-26526 is a medium vulnerability (CVSS 6.5) in Moodle, published February 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. Fixed in moodle/moodle 4.5.2.
References
moodle.org/mod/forum/discuss.php?d=466142
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79976
nvd.nist.gov/vuln/detail/CVE-2025-26526
github.com/advisories/GHSA-pxg4-xjp7-w9c5
ubuntu.com/security/CVE-2025-26526
cve.org/CVERecord?id=CVE-2025-26526
Left out here: 298 versions. The JSON record has them.