Auth bypass in Dolibarr
CVE-2026-71508
Dolibarr before 24.0.0 contains an improper authorization vulnerability in the user REST API update endpoint that allows attackers with user-write rights to modify payroll fields by exploiting an incomplete credential denylist that omits payroll columns. Attackers can rewrite salary, bonus, hourly rate, daily rate, and weekly hours for any user without holding payroll rights, with the modified values appearing in payroll export reports.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% 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: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- CodeAnt AI Blog (technical-description, exploit)
- Patch Commit (patch)
- Dolibarr 24.0.0 Release Notes (release-notes)
- www.vulncheck.com/advisories/dolibarr-rest-api-improper-authorization-via-user-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-71508?
- CVE-2026-71508 is a medium-severity vulnerability in Dolibarr, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-08-24.
- How severe is CVE-2026-71508?
- Medium severity. CVSS v3 base score is 6.5 out of 10.