CVE-2026-82633 Dolibarr 10.0.0 before 24.0.0 Missing Authorization on REST Users Groups Endpoint
Authenticated users can bypass authorization checks to retrieve private group membership data of other users via the REST API.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82633?
CVE-2026-82633 is a medium-severity missing authorization vulnerability in dolibarr, published on 30 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-82633?
How do I fix CVE-2026-82633?
No fix has been published for CVE-2026-82633 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-82633 being exploited?
There is no known exploitation of CVE-2026-82633 in the wild and no public exploit code.
Sources
Also known as GHSA-mfxx-qcw7-5q5r.