Auth bypass in Dolibarr

CVE-2026-82633

Dolibarr versions 10.0.0 before 24.0.0 fail to perform per-object authorization checks in the Users::getGroups REST API endpoint, allowing authenticated users to retrieve group memberships of other users. Attackers can call GET /users/{id}/groups with arbitrary user identifiers to access group names, entity associations, and private notes across tenant boundaries.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-82633?
CVE-2026-82633 is a medium-severity vulnerability in Dolibarr, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-30.
How severe is CVE-2026-82633?
Medium severity. CVSS v3 base score is 4.3 out of 10.