{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52819", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-08T18:11:06.661Z", "datePublished": "2026-09-15T10:36:02.531Z", "dateUpdated": "2026-09-15T15:17:07.990Z"}, "containers": {"cna": {"title": "Kimai: Teamlead authorization bypass in GET /api/timesheets allows reading other users' timesheet records without being teamlead of the target", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "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", "version": "4.0"}}], "references": [{"name": "https://github.com/kimai/kimai/security/advisories/GHSA-4m8q-55qv-9pwp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kimai/kimai/security/advisories/GHSA-4m8q-55qv-9pwp"}, {"name": "https://github.com/kimai/kimai/pull/5929", "tags": ["x_refsource_MISC"], "url": "https://github.com/kimai/kimai/pull/5929"}, {"name": "https://github.com/kimai/kimai/commit/976d38e8a4485a1c923ee7b5841849e91a06e849", "tags": ["x_refsource_MISC"], "url": "https://github.com/kimai/kimai/commit/976d38e8a4485a1c923ee7b5841849e91a06e849"}, {"name": "https://github.com/kimai/kimai/releases/tag/2.57.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/kimai/kimai/releases/tag/2.57.0"}, {"name": "https://www.kimai.org/en/security/ghsa-4m8q-55qv-9pwp", "tags": ["x_refsource_MISC"], "url": "https://www.kimai.org/en/security/ghsa-4m8q-55qv-9pwp"}], "affected": [{"vendor": "kimai", "product": "kimai", "versions": [{"version": "< 2.57.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-15T10:36:02.531Z"}, "descriptions": [{"lang": "en", "value": "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 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."}], "source": {"advisory": "GHSA-4m8q-55qv-9pwp", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/kimai/kimai/security/advisories/GHSA-4m8q-55qv-9pwp", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-15T15:11:18.450514Z", "id": "CVE-2026-52819", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-15T15:17:07.990Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "kimai", "vendor": "kimai", "versions": [{"status": "affected", "version": "< 2.57.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 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."}], "id": "CVE-2026-52819", "lastModified": "2026-09-15T11:17:08.800", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-15T11:17:08.800", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/kimai/kimai/commit/976d38e8a4485a1c923ee7b5841849e91a06e849"}, {"source": "security-advisories@github.com", "url": "https://github.com/kimai/kimai/pull/5929"}, {"source": "security-advisories@github.com", "url": "https://github.com/kimai/kimai/releases/tag/2.57.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/kimai/kimai/security/advisories/GHSA-4m8q-55qv-9pwp"}, {"source": "security-advisories@github.com", "url": "https://www.kimai.org/en/security/ghsa-4m8q-55qv-9pwp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.57.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "kimai", "source": "cna", "vendor": "kimai"}, "product": "kimai", "vendor": "kimai"}], "created": "2026-09-15T11:30:11.772167+00:00", "updated": "2026-09-15T11:30:11.772186+00:00", "vendors": ["kimai", "kimai$PRODUCT$kimai"]}