Vulnerability · Published Aug 30, 2026 · Assigned by VulnCheck

CVE-2026-82633Dolibarr 10.0.0 before 24.0.0 Missing Authorization on REST Users Groups Endpoint

Medium 4.3

In plain English

A medium-severity missing authorization in dolibarr from Dolibarr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 72.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Dolibarr	dolibarr	10.0.0 – before 24.0.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

Patch Commit patch
https://github.com/Dolibarr/dolibarr/blob/23.0.4/htdocs/user/class/api_users.class.php technical-description
Dolibarr 24.0.0 Release Notes release-notes
https://github.com/Dolibarr/dolibarr product
VulnCheck Advisory: Dolibarr 10.0.0 before 24.0.0 Missing Authorization on REST Users Groups Endpoint third-party-advisory