๐Ÿ” CVE Alert

CVE-2026-80197

MEDIUM 4.3

Kimai before 2.57.0 Improper Authorization via Favorite Endpoints

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-639
Vendor kimai
Product kimai
Published Aug 25, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

kimai / kimai
0 < 2.57.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/kimai/kimai/security/advisories/GHSA-j5mc-p8qg-39j7 vulncheck.com: https://www.vulncheck.com/advisories/kimai-before-2.57.0-improper-authorization-via-favorite-endpoints

Credits

๐Ÿ” Mitchell45