What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-30 · updated 2026-09-10
• Weakness: CWE-862

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

• dolibarr: from 10.0.0 before 24.0.0 — fixed in 24.0.0

How to fix

Upgrade to a fixed version: dolibarr 24.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/Dolibarr/dolibarr
• https://github.com/Dolibarr/dolibarr/blob/23.0.4/htdocs/user/class/api_users.class.php
• https://github.com/Dolibarr/dolibarr/commit/fd478850f823e27c672300acb4b02baeef79aef1
• https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0
• https://www.vulncheck.com/advisories/dolibarr-10.0.0-before-24.0.0-missing-authorization-on-rest-users-groups-endpoint

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