Missing Authorization Affecting kimai/kimai package, versions <2.57.0
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- published14 Jul 2026
- disclosed14 Jul 2026
- creditUnknown
Introduced: 14 Jul 2026
NewCVE-2026-52821 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade kimai/kimai to version 2.57.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization via the activity creation process when a user with the create_activity permission accesses the preset project creation route directly. An attacker can create new activities under unauthorized projects by specifying a valid project.id, potentially polluting project configurations and enabling downstream business abuse.