How severe is CVE-2025-26526?

CVE-2025-26526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-26526 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26526?

CVE-2025-26526 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26526?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-26526 have an EU (EUVD) identifier?

Yes. CVE-2025-26526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4276.

When was CVE-2025-26526 published?

CVE-2025-26526 was published on 2025-02-24 and last updated on 2026-06-17.

CVE-2025-26526

CVE-2025-26526 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4276
Weakness: CWE-863
Affected product: Moodle
Published: 2025-02-24
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-26526?: Separate Groups mode restrictions were not factored into permission checks before allowing viewing or deletion of responses in Feedback activities.
How severe is CVE-2025-26526?: CVE-2025-26526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-26526 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26526?: CVE-2025-26526 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26526?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-26526 have an EU (EUVD) identifier?: Yes. CVE-2025-26526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4276.
When was CVE-2025-26526 published?: CVE-2025-26526 was published on 2025-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

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