CVE-2026-102580
mediumA flaw was found in Moodle.
Vendor / product: Moodle — moodle
A flaw was found in Moodle. An authenticated attacker can supply an improperly validated audience class name to the Report Builder component, allowing arbitrary class instantiation. This vulnerability enables the unauthorized creation of internal program objects, which may result in unexpected application behavior.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-30 09:17
Modified: 2026-10-01 14:36
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
moodle / moodle <4.5.13, ≥5.0.0 <5.0.9, ≥5.1.0 <5.1.6, ≥5.2.0 <5.2.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://moodle.org/mod/forum/discuss.php?d=482498
Patch / mitigation: http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89078
References
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89078 patrick@puiterwijk.org
- https://access.redhat.com/security/cve/CVE-2026-102580 patrick@puiterwijk.org
- https://bugzilla.redhat.com/show_bug.cgi?id=2543635 patrick@puiterwijk.org
- https://moodle.org/mod/forum/discuss.php?d=482498 patrick@puiterwijk.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗