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Fencer Vulns
medium 6.5

CVE-2025-26526 json

Feedback response viewing and deletions did not respect Separate Groups mode

published 2025-02-24 20 mo ago modified 2026-09-08 2 mo ago also BIT-moodle-2025-26526 , EUVD-2025-4276 , GHSA-pxg4-xjp7-w9c5

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

Separate Groups mode restrictions were not factored into permission checks before allowing viewing or deletion of responses in Feedback activities.

Patch / fix

  • packagist moodle/moodle 4.1.16, 4.3.10, 4.4.6, 4.5.2
  • bitnami moodle 4.1.16, 4.3.10, 4.4.6, 4.5.2
  • Moodle Project moodle 4.1.16, 4.3.10, 4.4.6, 4.5.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-26526 updated cvss 6.5

moodle: Feedback response viewing and deletions did not respect Separate Groups mode

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=4.5.0-beta, <4.5.2
>=4.4.0-beta, <4.4.6
>=4.3.0-beta, <4.3.10
<4.1.16
4.5.2
4.4.6
4.3.10
4.1.16
bitnami moodle
>=4.1.0, <4.1.16
>=4.3.0, <4.3.10
>=4.4.0, <4.4.6
>=4.5.0, <4.5.2
4.1.16
4.3.10
4.4.6
4.5.2

Affected products

  • Moodle Project moodle

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.