{"id":"CVE-2026-40939","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-40939","generatedAt":"2026-10-27T23:55:59.385Z","title":"This vulnerability is fixed in 2.1.0.","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.","published":"2026-04-21T22:16:20.000Z","lastModified":"2026-10-26T21:10:00.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":6.8,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-613"],"affected":[],"epss":{"score":0.00154,"percentile":0.04481,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://dsf.dev/operations/v2.1.0/bpe/oidc.html","source":"security-advisories@github.com"},{"url":"https://dsf.dev/operations/v2.1.0/fhir/oidc.html","source":"security-advisories@github.com"},{"url":"https://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7","source":"security-advisories@github.com"},{"url":"https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-40939","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}