{"action":"Upgrade org.springframework.webflow:spring-webflow to 3.0.2 (3.x) or 4.0.1 (4.x) or later.","affected":[{"fixed":"4.0.1","introduced":"4.0.0"},{"fixed":"3.0.2","introduced":"3.0.0"},{"introduced":"0","last_affected":"2.5.1"}],"component":"org.springframework.webflow:spring-webflow","cve_ids":["CVE-2026-40986"],"ecosystem":"Maven","epss":0.00206,"exploited":false,"fixed_versions":["4.0.1","3.0.2"],"ghsa_id":"GHSA-hw5c-xm3c-v96w","id":"tcs_01M5N91GGFYX5WFQ5CJJ8W8D6S","modified_at":"2026-08-18T20:41:05.010025Z","published_at":"2026-06-11T09:31:55Z","references":["https://osv.dev/vulnerability/GHSA-hw5c-xm3c-v96w","https://nvd.nist.gov/vuln/detail/CVE-2026-40986","https://github.com/spring-projects/spring-webflow","https://spring.io/security/cve-2026-40986"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-hw5c-xm3c-v96w","url":"https://osv.dev/vulnerability/GHSA-hw5c-xm3c-v96w"}],"summary":"Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML"}