Auth bypass in Kimai
CVE-2026-28685
Kimai is a web-based multi-user time-tracking application. Prior to version 2.51.0, "GET /api/invoices/{id}" only checks the role-based view_invoice permission but does not verify the requesting user has access to the invoice's customer. A…
EPSS: 0.000 (3.1th percentile) — read the EPSS interpretation.
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:H/I:N/A:N.
Affected products
- Kimai — versions < 2.51.0
Weakness classification (CWE)
References
- https://github.com/kimai/kimai/security/advisories/GHSA-v33r-r6h2-8wr7 (x_refsource_CONFIRM)
- https://github.com/kimai/kimai/commit/a0601c8cb28fed1cca19051a8272425069ab758f (x_refsource_MISC)
- https://github.com/kimai/kimai/releases/tag/2.51.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-28685?
- CVE-2026-28685 is a medium-severity vulnerability in Kimai, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-03-06.
- How severe is CVE-2026-28685?
- Medium severity. CVSS v3 base score is 6.5 out of 10.