{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52852", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-08T18:41:27.724Z", "datePublished": "2026-09-17T18:32:07.436Z", "dateUpdated": "2026-09-17T18:32:07.436Z"}, "containers": {"cna": {"title": "Traccar: Uncontrolled Infinite Loop DoS via Group Parent Cycle", "problemTypes": [{"descriptions": [{"cweId": "CWE-674", "lang": "en", "description": "CWE-674: Uncontrolled Recursion", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/traccar/traccar/security/advisories/GHSA-6qh3-234v-r254", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/traccar/traccar/security/advisories/GHSA-6qh3-234v-r254"}, {"name": "https://github.com/traccar/traccar/commit/8f6f59ac29d8b1222254e938672a0d99098fd800", "tags": ["x_refsource_MISC"], "url": "https://github.com/traccar/traccar/commit/8f6f59ac29d8b1222254e938672a0d99098fd800"}, {"name": "https://github.com/traccar/traccar/releases/tag/v6.14.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/traccar/traccar/releases/tag/v6.14.0"}], "affected": [{"vendor": "traccar", "product": "traccar", "versions": [{"version": "< 6.14.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-17T18:32:07.436Z"}, "descriptions": [{"lang": "en", "value": "Traccar is an open source GPS tracking system. Prior to 6.14.0, an authenticated user with permission to manage groups and request reports can create a cyclic group-parent hierarchy and request a trips or stops report for a device in that hierarchy. org.traccar.api.resource.GroupResource permits the parent cycle, while org.traccar.helper.model.AttributeUtil.lookup follows group parents without cycle detection, a visited set, or a depth limit. The storage-backed lookup reached through TripsConfig. and ReportUtils.slowTripsAndStops never terminates, pins a Jetty worker at high CPU after the client disconnects, and can exhaust the web/API worker pool when requests are repeated. The position-ingestion cache-backed path is not part of the confirmed affected scope. This issue is fixed in 6.14.0."}], "source": {"advisory": "GHSA-6qh3-234v-r254", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "traccar", "vendor": "traccar", "versions": [{"status": "affected", "version": "< 6.14.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Traccar is an open source GPS tracking system. Prior to 6.14.0, an authenticated user with permission to manage groups and request reports can create a cyclic group-parent hierarchy and request a trips or stops report for a device in that hierarchy. org.traccar.api.resource.GroupResource permits the parent cycle, while org.traccar.helper.model.AttributeUtil.lookup follows group parents without cycle detection, a visited set, or a depth limit. The storage-backed lookup reached through TripsConfig. and ReportUtils.slowTripsAndStops never terminates, pins a Jetty worker at high CPU after the client disconnects, and can exhaust the web/API worker pool when requests are repeated. The position-ingestion cache-backed path is not part of the confirmed affected scope. This issue is fixed in 6.14.0."}], "id": "CVE-2026-52852", "lastModified": "2026-09-17T19:16:49.827", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-17T19:16:49.827", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/traccar/traccar/commit/8f6f59ac29d8b1222254e938672a0d99098fd800"}, {"source": "security-advisories@github.com", "url": "https://github.com/traccar/traccar/releases/tag/v6.14.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/traccar/traccar/security/advisories/GHSA-6qh3-234v-r254"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}