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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (26.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/Dolibarr/dolibarr/commit/fd478850f823e27c672300acb4b02baeef79aef1 (patch)
- github.com/Dolibarr/dolibarr/blob/23.0.4/htdocs/user/class/api_users.class.php (technical-description)
- github.com/Dolibarr/dolibarr/releases/tag/24.0.0 (release-notes)
- github.com/Dolibarr/dolibarr (product)
- www.vulncheck.com/advisories/dolibarr-10.0.0-before-24.0.0-missing-authorizatio… (third-party-advisory)
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.