{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84155","assignerOrgId":"85b1779b-6ecd-4f52-bcc5-73eac4659dcf","state":"PUBLISHED","assignerShortName":"ERIC","dateReserved":"2026-09-01T08:00:17.054Z","datePublished":"2026-11-06T10:27:24.656Z","dateUpdated":"2026-11-06T10:27:24.656Z"},"containers":{"cna":{"providerMetadata":{"orgId":"85b1779b-6ecd-4f52-bcc5-73eac4659dcf","shortName":"ERIC","dateUpdated":"2026-11-06T10:27:24.656Z"},"title":"Session Token Remains Valid After Logout in Multi-Worker Deployments","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-613","description":"CWE-613 Insufficient session expiration","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-593","descriptions":[{"lang":"en","value":"CAPEC-593 Session Hijacking"}]}],"affected":[{"vendor":"Ericsson","product":"CodeChecker","versions":[{"status":"affected","version":"0","lessThan":"6.29.3","changes":[{"at":"6.29.3","status":"unaffected"}],"versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"CodeChecker's web server fails to fully invalidate a session token on logout when the server runs with more than one API worker process (the default). Each worker process maintains its own\nin-memory session cache; logout only clears the cache of the single worker that handles the request (plus the shared database record). Other workers continue to honor the destroyed token\nfrom their stale in-memory copies until the session's lifetime expires. An attacker who has captured a valid token can therefore keep impersonating the user after the user has logged out.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>CodeChecker's web server fails to fully invalidate a session token on logout when the server runs with more than one API worker process (the default). Each worker process maintains its own<br>in-memory session cache; logout only clears the cache of the single worker that handles the request (plus the shared database record). Other workers continue to honor the destroyed token<br>from their stale in-memory copies until the session's lifetime expires. An attacker who has captured a valid token can therefore keep impersonating the user after the user has logged out.</p>"}]}],"references":[{"url":"https://github.com/Ericsson/codechecker/security/advisories/GHSA-r42x-9wgw-cqc2"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.4"}}}}