CVE-2026-80197

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/kimai/kimai/security/advisories/GHSA-j5mc-p8qg-39j7
https://www.vulncheck.com/advisories/kimai-before-2.57.0-improper-authorization-via-favorite-endpoints

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-26 05:18

Updated : 2026-08-31 20:52

NVD link : CVE-2026-80197

Mitre link : CVE-2026-80197

CVE.ORG link : CVE-2026-80197

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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