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OpenAdvisories
Medium · 4.3 CVE-2026-80197 EUVD-2026-66219GHSA-h76h-mxwq-v9xpGHSA-j5mc-p8qg-39j7

Kimai before 2.57.0 Improper Authorization via Favorite Endpoints

Published Aug 25, 2026 · Updated Oct 8, 2026 · Assigned by VulnCheck

Description

Kimai before 2.57.0 contains an improper authorization vulnerability in the favorite timesheet add and remove endpoints that allows authenticated users to manipulate other users' bookmarks. Attackers can add or remove timesheet entries from another user's favorite list by referencing their timesheet identifier, enabling cross-user business-state tampering without administrative privileges.

Affected products

VendorProductAffectedFixed
kimai kimai < 2.57.0 2.57.0

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist kimai/kimai < 2.57.0 2.57.0 GHSA-j5mc-p8qg-39j7

References