CVE-2026-52825: medium-severity vulnerability in kimai
Kimai: Improper Authorization in Kimai Team Member and Team Activity Assignment APIs Allows Expansion of Team Scope Beyond Authorized Visibility
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.4%
Kimai is an open-source time tracking application. Prior to 2.58.0, POST /api/teams/{id}/members/{userId} and POST /api/teams/{id}/activities/{activityId} verify that a teamlead may edit the Team but do not verify access_user for the referenced User or view access for the referenced Activity. A teamlead can add users or activities outside the teamlead's manageable scope to an editable team, bypassing the narrower choices enforced by TeamEditForm and UserRepository::getQueryBuilderForFormType(). The resulting relationships can be trusted by RolePermissionManager::checkTeamAccessActivity() and other team-based authorization, visibility, reporting, and workflow logic. This issue is fixed in version 2.58.0.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
kimai · kimaiRelated CVEs — kimai
In the same product, most dangerous first.
CVE-2023-46245HIGHKimai (Authenticated) SSTI to RCE by Uploading a Malicious Twig FileEPSS 1.8%CVE-2026-52824CRITICALKimai: Default APP_SECRET in Docker Image Enables Cookie Forgery and Account TakeoverEPSS 1.3%CVE-2024-29200MEDIUMAPI returns timesheet entries a user should not be authorized to viewEPSS 0.6%CVE-2026-52827HIGHKimai: Two-factor authentication bypass on the Kimai APIEPSS 0.6%CVE-2026-52819MEDIUMKimai: Teamlead authorization bypass in GET /api/timesheets allows reading other users' timesheet records without being teamlead of the targetEPSS 0.5%CVE-2026-80196HIGHKimai before 2.58.0 Authentication Bypass via Password Reset LinkEPSS 0.5%
References
https://github.com/kimai/kimai/commit/31a8f887a5cda517db7b4320a7ad997c87d08601https://github.com/kimai/kimai/pull/5952https://github.com/kimai/kimai/releases/tag/2.58.0https://github.com/kimai/kimai/security/advisories/GHSA-xv4r-4885-gwpghttps://www.kimai.org/en/security/ghsa-xv4r-4885-gwpg