{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41839","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-04-22T06:22:01.123Z","datePublished":"2026-06-09T03:49:52.381Z","dateUpdated":"2026-06-23T20:41:11.906Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-06-23T20:41:11.906Z"},"title":"Spring Framework Escalation via Session Fixation in WebFlux","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-384","description":"CWE-384: Session Fixation","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"A WebFlux application with a compromised subdomain is vulnerable to a session fixation escalation attack that allows an attacker to exchange a known session ID for that of an authenticated user."}]}],"affected":[{"vendor":"Spring","product":"Spring Framework","versions":[{"status":"affected","version":"7.0.0","lessThan":"7.0.7.1","versionType":"custom"},{"status":"affected","version":"6.2.0","lessThan":"6.2.18.1","versionType":"custom"},{"status":"affected","version":"6.1.0","lessThan":"6.1.28","versionType":"custom"},{"status":"affected","version":"5.3.0","lessThan":"5.3.49","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.","supportingMedia":[{"type":"text/html","base64":false,"value":"A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48."}]}],"references":[{"url":"https://spring.io/security/cve-2026-41839"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":4.2,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-09T13:30:25.839375Z","id":"CVE-2026-41839","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-09T13:30:34.473Z"}}]}}