{"id":"CVE-2026-108738","state":"PUBLISHED","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.","publishedAt":"2026-10-11T12:19:43.602Z","updatedAt":"2026-10-18T11:53:06.374Z","severity":{"score":2.3,"label":"Low","version":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["Traccar Traccar"],"affected":[{"vendor":"Traccar","product":"Traccar","packageURL":"pkg:github/traccar/traccar","defaultStatus":"unaffected","versions":[{"version":"5.7","status":"affected","lessThanOrEqual":"6.16.0","versionType":"custom"}],"repo":"https://github.com/traccar/traccar"}],"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"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/108xxx/CVE-2026-108738.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-108738","state":"PUBLISHED","datePublished":"2026-10-11T12:19:43.602Z","dateUpdated":"2026-10-18T11:53:06.374Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-11T01:52:54.368Z"},"containers":{"cna":{"title":"Traccar 5.7 through 6.16.0 Login CSRF via OpenID Connect Callback","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Traccar","product":"Traccar","packageURL":"pkg:github/traccar/traccar","defaultStatus":"unaffected","versions":[{"version":"5.7","status":"affected","lessThanOrEqual":"6.16.0","versionType":"custom"}],"repo":"https://github.com/traccar/traccar"}],"references":[{"url":"https://hackmd.io/@haind/traccar-oidc-client-missing-state-login-csrf","tags":["third-party-advisory"]},{"url":"https://github.com/traccar/traccar/blob/cfab560c79ee9c9eaa41c79c6df351e820d6284b/src/main/java/org/traccar/database/OpenIdProvider.java#L110-L198","tags":["technical-description"]},{"url":"https://github.com/traccar/traccar/blob/cfab560c79ee9c9eaa41c79c6df351e820d6284b/src/main/java/org/traccar/api/resource/SessionResource.java#L175-L193","tags":["technical-description"]},{"url":"https://github.com/traccar/traccar","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/traccar-5.7-through-6.16.0-login-csrf-via-openid-connect-callback","name":"VulnCheck Advisory: Traccar 5.7 through 6.16.0 Login CSRF via OpenID Connect Callback","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2.3,"baseSeverity":"LOW"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.2,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-11T12:19:43.602Z"},"datePublic":"2026-10-10T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:traccar:traccar:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndIncluding":"6.16.0"}]}]}],"credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-108738","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-18T11:32:23.042906Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-18T11:53:06.374Z"}}]}}}