{"id":"CVE-2026-108738","revision":"8705dc08140e49a08179e56fa1ce8925","records":[{"revision":"8705dc08140e49a08179e56fa1ce8925","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108738","aliases":[],"title":"Traccar 5.7 through 6.16.0 Login CSRF via OpenID Connect Callback","description":"Traccar 5.7 through 6.16.0 contains a cross-site request forgery vulnerability that allows attackers to log victims into attacker-controlled accounts because the OpenID Connect callback never validates the OAuth state parameter. Attackers can induce a victim's browser to load /api/session/openid/callback with their own authorization code, causing data the victim enters, such as registered devices, to land in the attacker's account.","state":0,"publishedAt":"2026-10-11T12:19:43.602+00:00","modifiedAt":"2026-10-18T11:53:06.374+00:00","affected":[{"ecosystem":"Vendor product","name":"Traccar","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Traccar\",\n                    \"product\": \"Traccar\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"5.7\",\n                            \"lessThanOrEqual\": \"6.16.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/traccar/traccar\",\n                    \"repo\": \"https://github.com/traccar/traccar\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":2.3,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","score":4.2,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind/traccar-oidc-client-missing-state-login-csrf","https://github.com/traccar/traccar/blob/cfab560c79ee9c9eaa41c79c6df351e820d6284b/src/main/java/org/traccar/database/OpenIdProvider.java#L110-L198","https://github.com/traccar/traccar/blob/cfab560c79ee9c9eaa41c79c6df351e820d6284b/src/main/java/org/traccar/api/resource/SessionResource.java#L175-L193","https://github.com/traccar/traccar","https://www.vulncheck.com/advisories/traccar-5.7-through-6.16.0-login-csrf-via-openid-connect-callback"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108738","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108738","identifiers":["CVE-2026-108738"]},"retained":false,"historicalAffected":[]}],"coverage":[]}