AIKIDO-2026-960013
kimai/kimai is vulnerable to Incorrect Authorization
27
Low Risk
This Affects:
kimai/kimaiTL;DR
The REST API timesheet collection endpoint does not enforce activity-team access controls when listing timesheets. The permission criteria applied to the collection query validates only project and customer team permissions. A user with permission to view other timesheets can list entries tied to activities restricted to teams they do not belong to, even though the single-entity endpoint correctly denies access. The fix extends the query filtering to include activity-team restrictions.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you grant users permission to view other users' timesheets while relying on activity-team restrictions.
Background info
kimai/kimai is vulnerable to Incorrect Authorization in versions 0.0.1 - 2.64.0.
How to fix this
Upgrade the kimai/kimai library to the patch version.
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