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Description

A flaw was found in Moodle. An authorization logic flaw, specifically due to incomplete role checks during the badge awarding process, allowed badges to be granted without proper verification. This could enable unauthorized users to obtain badges they are not entitled to, potentially leading to privilege escalation or unauthorized access to certain features.

PUBLISHED Reserved 2025-12-12 | Published 2026-02-03 | Updated 2026-02-03 | Assigner fedora




MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Product status

Default status
unaffected

4.1.0 (semver) before 4.1.22
affected

4.4.0 (semver) before 4.4.12
affected

4.5.0 (semver) before 4.5.8
affected

5.0.0 (semver) before 5.0.4
affected

5.1.0 (semver) before 5.1.1
affected

Timeline

2025-12-19:Reported to Red Hat.
2025-12-15:Made public.

Credits

Red Hat would like to thank Stefan Hanauska for reporting this issue.

References

access.redhat.com/security/cve/CVE-2025-67856 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2423864 (RHBZ#2423864) issue-tracking

cve.org (CVE-2025-67856)

nvd.nist.gov (CVE-2025-67856)

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