What is CVE-2026-102580?

CVE-2026-102580 is a low-severity vulnerability, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 2.2/10. Published 2026-09-30.

How severe is CVE-2026-102580?

Low severity. CVSS v3 base score is 2.2 out of 10.

CVE-2026-102580

CVE-2026-102580

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.

Published 2026-09-30 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 2.2 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-470 — Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection)

References

git.moodle.org/gw
access.redhat.com/security/cve/CVE-2026-102580 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)
moodle.org/mod/forum/discuss.php

Frequently asked questions

What is CVE-2026-102580?: CVE-2026-102580 is a low-severity vulnerability, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 2.2/10. Published 2026-09-30.
How severe is CVE-2026-102580?: Low severity. CVSS v3 base score is 2.2 out of 10.