{"id":"CVE-2026-52819","title":"Kimai is an open-source time tracking application","summary":"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 view_other_timesheet but does not apply access_user or verify that a…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-863"],"vendor":"kimai","product":"kimai","affected":["kimai < 2.57.0"],"patched":["kimai/kimai 2.57.0"],"published":"2026-09-15","updated":"2026-09-15","sourceUpdated":"2026-09-15T16:17:13.050","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-52819","references":[{"url":"https://github.com/kimai/kimai/commit/976d38e8a4485a1c923ee7b5841849e91a06e849","label":"security-advisories@github.com"},{"url":"https://github.com/kimai/kimai/pull/5929","label":"security-advisories@github.com"},{"url":"https://github.com/kimai/kimai/releases/tag/2.57.0","label":"security-advisories@github.com"},{"url":"https://github.com/kimai/kimai/security/advisories/GHSA-4m8q-55qv-9pwp","label":"security-advisories@github.com"},{"url":"https://www.kimai.org/en/security/ghsa-4m8q-55qv-9pwp","label":"security-advisories@github.com"},{"url":"https://github.com/kimai/kimai/security/advisories/GHSA-4m8q-55qv-9pwp","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/advisories/GHSA-4m8q-55qv-9pwp"}],"tags":["nvd","cve.org","ghsa","composer","exploit-available"],"epss":0.00372,"epssPercentile":0.30996,"aliases":["GHSA-4m8q-55qv-9pwp"],"ecosystem":"composer","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-15T15:11:18.450514Z"},"cvssSource":"cna","ingestedAt":"2026-07-14T00:31:48.579Z","slug":"CVE-2026-52819","body":"## Overview\n\nKimai 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 view_other_timesheet but does not apply access_user or verify that a ROLE_TEAMLEAD requester leads a team containing each target user. TimesheetController::cgetAction() adds the resolved users directly to the query while project and customer filtering still permits records on unscoped projects or projects sharing ordinary team membership, allowing a teamlead to retrieve another user's descriptions, timing data, tags, rate, and internalRate even though GET /api/timesheets/{id} would deny access through TimesheetVoter. This issue is fixed in version 2.57.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-52819)\n\nAffected packages:\n\n- `kimai/kimai <= 2.56.0`\n\nPatched in:\n\n- `kimai/kimai 2.57.0`\n\nSource: https://github.com/advisories/GHSA-4m8q-55qv-9pwp","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":203818,"id":"CVE-2026-52819","ts":1789486795379,"field":"exploit_available","old":"false","new":"true"},{"seq":203568,"id":"CVE-2026-52819","ts":1789472201683,"field":"cvss","old":null,"new":"6.3"}]}