Kimai: Pre-2FA KIMAI_SESSION cookie grants full authenticated REST API access, bypassing TOTP

Date Jul 14, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer · kimai/kimai
CVE CVE-2026-52827
High-risk advisory CVE-2026-52827

Summary

Kimai: Pre-2FA KIMAI_SESSION cookie grants full authenticated REST API access, bypassing TOTP

Why it matters

GitHub has published a reviewed security advisory for kimai/kimai. Prioritize it with other application dependency updates.

Operator check

Check whether kimai/kimai is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 7.1.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.