CVE-2026-52819 Kimai: Teamlead authorization bypass in GET /api/timesheets allows reading other users' timesheet records without being teamlead of the target

Kimai is an open-source time tracking application. Prior to 2.57.0, the GET /api/timesheets list endpoint accepts user and users target identifiers from a caller with viewothertimesheet but does not apply accessuser or verify that a ROLETEAMLEAD requester leads a team containing each target user...

CVE-2026-52819

Kimai, an open-source time tracking application, is vulnerable to an authorization bypass in its GET /api/timesheets list endpoint (prior to 2.57.0 ). The cgetAction() method accepts user/users[] parameters and adds resolved users to the query without verifying the requester is teamlead of a team...

CVE-2026-52819 Kimai: Teamlead authorization bypass in GET /api/timesheets allows reading other users' timesheet records without being teamlead of the target

Kimai is an open-source time tracking application. Prior to 2.57.0, the GET /api/timesheets list endpoint accepts user and users target identifiers from a caller with viewothertimesheet but does not apply accessuser or verify that a ROLETEAMLEAD requester leads a team containing each target user...

CVE-2026-52819 Kimai: Teamlead authorization bypass in GET /api/timesheets allows reading other users' timesheet records without being teamlead of the target

Kimai is an open-source time tracking application. Prior to 2.57.0, the GET /api/timesheets list endpoint accepts user and users target identifiers from a caller with viewothertimesheet but does not apply accessuser or verify that a ROLETEAMLEAD requester leads a team containing each target user...

EUVD-2026-78398

Kimai is an open-source time tracking application. Prior to 2.57.0, the GET /api/timesheets list endpoint accepts user and users target identifiers from a caller with viewothertimesheet but does not apply accessuser or verify that a ROLETEAMLEAD requester leads a team containing each target user...

CVE-2026-52819: Incorrect Authorization

Kimai is an open-source time tracking application. Prior to 2.57.0, the GET /api/timesheets list endpoint accepts user and users target identifiers from a caller with viewothertimesheet but does not apply accessuser or verify that a ROLETEAMLEAD requester leads a team containing each target user...

CVE-2026-52822: Improper Authorization

Kimai is an open-source time tracking application. Prior to 2.58.0, PATCH /api/timesheets/id/restart, PATCH /api/timesheets/id/duplicate, and the web duplicate workflow can derive a new record from an owned historical timesheet after the user's access to its project or activity has been revoked...

EUVD-2026-66219

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...

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...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the PATCH /api/timesheets/id and POST /api/timesheets endpoints, which accept a user-supplied project ID that is resolved through a query builder allowing the submitted ID to bypass...

GHSA-4M8Q-55QV-9PWP Kimai: Teamlead authorization bypass in GET /api/timesheets allows reading other users' timesheet records without being teamlead of the target

Summary GET /api/timesheets?user= and users= returns the targeted user's timesheet records to any caller that has the viewothertimesheet permission, without verifying that the caller is teamlead of any team containing the target user. The per-record endpoint GET /api/timesheets/id correctly...

CVE-2026-42267 Kimai: Formula Injection via tag names in XLSX export

Kimai is an open-source time tracking application. From version 2.27.0 to before version 2.54.0, any ROLEUSER can create a tag with a formula string as its name e.g. =SUM54+51 via POST /api/tags and assign it to a timesheet. When an admin exports timesheets to XLSX, ArrayFormatter.formatValue joi...

CVE-2026-42267

Kimai vulnerability CVE-2026-42267 affects Kimai versions 2.27.0 through before 2.54.0. A user with ROLE_USER can create a tag whose name is a formula string (for example =SUM(54+51)) via POST /api/tags and attach it to a timesheet. When an admin exports to XLSX, ArrayFormatter.formatValue() conc...

CVE-2026-40486

Kimai is an open-source time tracking application. In versions 2.52.0 and below, the User Preferences API endpoint PATCH /api/users/id/preferences applies submitted preference values without checking the isEnabled flag on preference objects. Although the hourlyrate and internalrate fields are...

CVE-2025-57681

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting XSS vulnerability. The vulnerability is exploited via a specially crafted paylo...

CVE-2025-57681

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting XSS vulnerability. The vulnerability is exploited via a specially crafted paylo...

PT-2026-3781

Name of the Vulnerable Software and Affected Versions WorklogPRO - Timesheets for Jira versions prior to 4.23.6-jira10 WorklogPRO - Timesheets for Jira versions prior to 4.23.5-jira9 Description The WorklogPRO - Timesheets for Jira plugin contains a flaw that allows the injection of arbitrary HTM...

CVE-2025-57681

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting XSS vulnerability. The vulnerability is exploited via a specially crafted paylo...

CVE-2025-57681

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting XSS vulnerability. The vulnerability is exploited via a specially crafted paylo...

EUVD-2026-3658

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting XSS vulnerability. The vulnerability is exploited via a specially crafted paylo...