{"schemaVersion":3,"id":"CVE-2026-41839","aliases":["UBUNTU-CVE-2026-41839","DEBIAN-CVE-2026-41839","CGA-6xj5-r8gq-xgqg","CGA-9h9p-p93m-cxmq","CGA-9vpv-q2fv-6g4p","CGA-chq4-xvgf-677j","CGA-g6fh-4ph7-7xpc","CGA-hjww-64fv-qf3r","GHSA-4hfh-6x8g-gwpp","CGA-v3vc-ff94-x635","CGA-wvv8-v22m-qx2w"],"status":"published","duplicateOf":null,"title":null,"description":"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 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