CVE-2026-84805

Medium

Description

Kimai versions from 2.61.0 before 2.63.0 fail to disable admin-only work-contract preferences for low-privilege users in the PATCH /api/users/{id}/preferences endpoint. Although the web interface gates these employment-contract fields behind the contract_other_profile admin permission, the WorkContractPreferenceSubscriber (introduced in 2.61.0) registers the preferences as enabled without a permission check, so an authenticated regular user can use the API to modify their own admin-only work-contract data. The issue is fixed in 2.63.0 by applying the same permission check to the API endpoint.

SeverityMedium
CVSS4.3
Exploit probability—
ProductKimai
PublishedSep 2, 2026
First seenSep 2, 2026

How to fix

Update
  • kimai kimai2.63.0 or later

Affected products

ProductAffected versionsFixed in
kimai kimai2.61.0 ≤ v < 2.63.02.63.0

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