Auth bypass in Kimai
CVE-2026-80193
Kimai before 2.62.0 fails to validate create_other_timesheet permission in the QuickEntry controller when creating new timesheets. Authenticated users with view_other_timesheet and edit_other_timesheet permissions can create timesheet records for team members by submitting the QuickEntry form, bypassing authorization checks enforced elsewhere.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/kimai/kimai/security/advisories/GHSA-2w7f-x78f-89q2 (vendor-advisory)
- www.vulncheck.com/advisories/kimai-before-2.62.0-authorization-bypass-via-quick… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-80193?
- CVE-2026-80193 is a high-severity vulnerability in Kimai, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-08-26.
- How severe is CVE-2026-80193?
- High severity. CVSS v3 base score is 8.8 out of 10.