{"action":"Upgrade org.springframework.boot:spring-boot to 4.0.6 or later.","affected":[{"fixed":"4.0.6","introduced":"4.0.0"}],"component":"org.springframework.boot:spring-boot","cve_ids":["CVE-2026-40976"],"ecosystem":"Maven","epss":0.00489,"exploited":false,"fixed_versions":["4.0.6"],"ghsa_id":"GHSA-8v8j-3hxp-93wr","id":"tcs_01M5N8NFAC8CEZ4S7ZZQF8RXZB","modified_at":"2026-09-10T03:51:01.304654672Z","published_at":"2026-04-28T00:31:41Z","references":["https://osv.dev/vulnerability/GHSA-8v8j-3hxp-93wr","https://nvd.nist.gov/vuln/detail/CVE-2026-40976","https://github.com/spring-projects/spring-boot","https://spring.io/security/cve-2026-40976"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-8v8j-3hxp-93wr","url":"https://osv.dev/vulnerability/GHSA-8v8j-3hxp-93wr"}],"summary":"Spring Boot's default security filter chain has no authorization rule with Actuator but without Health"}