Vulnerability in Kimai
CVE-2026-42267
Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLE_USER can create a tag with a formula string as its name (e.g. =SUM(54+51)) via POST /api/tags and assign it to a timesheet. When an a…
EPSS: 0.000 (10.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Kimai — versions >= 2.27.0, < 2.54.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-42267?
- CVE-2026-42267 is a medium-severity vulnerability in Kimai, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 5.7/10. Published 2026-05-08.
- How severe is CVE-2026-42267?
- Medium severity. CVSS v3 base score is 5.7 out of 10.