What is CVE-2026-23626?

CVE-2026-23626 is a medium-severity vulnerability in Kimai, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 6.8/10. Published 2026-01-18.

How severe is CVE-2026-23626?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Kimai

CVE-2026-23626

Kimai is a web-based multi-user time-tracking application. Prior to version 2.46.0, Kimai's export functionality uses a Twig sandbox with an overly permissive security policy (`DefaultPolicy`) that allows arbitrary method calls on objects…

EPSS: 0.001 (22.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Kimai — versions < 2.46.0

Weakness classification (CWE)

CWE-1336 — Improper Neutralization of Special Elements Used in a Template Engine

References

https://github.com/kimai/kimai/security/advisories/GHSA-jg2j-2w24-54cg (x_refsource_CONFIRM)
https://github.com/kimai/kimai/pull/5757 (x_refsource_MISC)
https://github.com/kimai/kimai/commit/6a86afb5fd79f6c1825060b87c09bd1909c2e86f (x_refsource_MISC)
https://github.com/kimai/kimai/releases/tag/2.46.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-23626?: CVE-2026-23626 is a medium-severity vulnerability in Kimai, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 6.8/10. Published 2026-01-18.
How severe is CVE-2026-23626?: Medium severity. CVSS v3 base score is 6.8 out of 10.