{"id":"CVE-2026-40939","state":"PUBLISHED","title":"DSF: Missing Session Timeout for OIDC Sessions","description":"The Data Sharing Framework (DSF) implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior to 2.1.0, OIDC-authenticated sessions had no configured maximum inactivity timeout. Sessions persisted indefinitely after login, even after the OIDC access token expired. This vulnerability is fixed in 2.1.0.","publishedAt":"2026-04-21T21:07:10.503Z","updatedAt":"2026-04-22T17:44:03.707Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["datasharingframework dsf","dev.dsf dsf-bpe-server","dev.dsf dsf-common-jetty","dev.dsf dsf-fhir-server"],"affected":[{"vendor":"datasharingframework","product":"dsf","versions":[{"version":"< 2.1.0","status":"affected"}]},{"vendor":"dev.dsf","product":"dsf-bpe-server","versions":[{"version":"< 2.1.0","status":"affected"}]},{"vendor":"dev.dsf","product":"dsf-common-jetty","versions":[{"version":"< 2.1.0","status":"affected"}]},{"vendor":"dev.dsf","product":"dsf-fhir-server","versions":[{"version":"< 2.1.0","status":"affected"}]}],"references":["https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5","https://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7","https://dsf.dev/operations/v2.1.0/bpe/oidc.html","https://dsf.dev/operations/v2.1.0/fhir/oidc.html"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40939.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40939","state":"PUBLISHED","datePublished":"2026-04-21T21:07:10.503Z","dateUpdated":"2026-04-22T17:44:03.707Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-15T20:40:15.518Z"},"containers":{"cna":{"title":"DSF: Missing Session Timeout for OIDC Sessions","descriptions":[{"lang":"en","value":"The Data Sharing Framework (DSF) implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior to 2.1.0, OIDC-authenticated sessions had no configured maximum inactivity timeout. Sessions persisted indefinitely after login, even after the OIDC access token expired. This vulnerability is fixed in 2.1.0."}],"affected":[{"vendor":"datasharingframework","product":"dsf","versions":[{"version":"< 2.1.0","status":"affected"}]},{"vendor":"dev.dsf","product":"dsf-bpe-server","versions":[{"version":"< 2.1.0","status":"affected"}]},{"vendor":"dev.dsf","product":"dsf-common-jetty","versions":[{"version":"< 2.1.0","status":"affected"}]},{"vendor":"dev.dsf","product":"dsf-fhir-server","versions":[{"version":"< 2.1.0","status":"affected"}]}],"references":[{"url":"https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5","name":"https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7","name":"https://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7","tags":["x_refsource_MISC"]},{"url":"https://dsf.dev/operations/v2.1.0/bpe/oidc.html","name":"https://dsf.dev/operations/v2.1.0/bpe/oidc.html","tags":["x_refsource_MISC"]},{"url":"https://dsf.dev/operations/v2.1.0/fhir/oidc.html","name":"https://dsf.dev/operations/v2.1.0/fhir/oidc.html","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"PHYSICAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613: Insufficient Session Expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-21T21:07:10.503Z"},"source":{"advisory":"GHSA-gj7p-595x-qwf5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T17:43:47.019567Z","id":"CVE-2026-40939","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-22T17:44:03.707Z"}}]}}}