CVE-2026-52821: Kimai: Improper Authorization Through Activity Creation with Preset Project Allows Creation Under Unauthorized Projects

medium Affects kimai/kimai. Feed 2026.10.29.1, updated 2026-10-28; published 2026-07-14.

Kimai: Improper Authorization Through Activity Creation with Preset Project Allows Creation Under Unauthorized Projects

Package: kimai/kimai Composer
Affected versions: <2.57.0
Fixed in: 2.57.0
Severity: medium
Exploitation: not on CISA KEV · EPSS 0% (36.9th percentile)
Published: 2026-07-14
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
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