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.

Published: 2025-02-24 Last update: 2025-08-08 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-26526 is rated Moderate Risk (47.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.40%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-26526

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-04 0.30% 0.40% +0.09%
2 2026-03-29 0.16% 0.30% +0.15%
3 2025-12-28 — 0.16% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-26526

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 2.5 [email protected]

Weakness enumeration for CVE-2025-26526

GitHub Security Advisory for CVE-2025-26526

GHSA-pxg4-xjp7-w9c5 · Severity: medium · Ecosystem: composer — Moodle's feedback response viewing and deletions did not respect Separate Groups mode

OS Trackers for CVE-2025-26526

vendor priority summary link
ubuntu medium CVE-2025-26526 medium priority: Ubuntu including 1 source packages (moodle), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): DNE 6, needs-triage 3. https://ubuntu.com/security/CVE-2025-26526

Affected software / configurations for CVE-2025-26526

Vendor Product Version Raw CPE
moodle moodle >= 4.1.0, < 4.1.16 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle >= 4.3.0, < 4.3.10 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle >= 4.4.0, < 4.4.6 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle >= 4.5.0, < 4.5.2 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

References for CVE-2025-26526

cvelogic Threat Intelligence