{"id":"CVE-2026-40989","aliases":["GHSA-x9c7-5h6g-hq8q"],"url":"https://o3.security/vulnerability/CVE-2026-40989","summary":"Self Routing guard bypassed via function composition","details":"Under infinite recursion in the routing layer, request-handling can cause OOM error.\n\nAffected Spring Products and Versions:\nSpring Cloud Function 3.2.x: versions prior to 3.2.16\nSpring Cloud Function 4.1.x: versions prior to 4.1.10\nSpring Cloud Function 4.2.x: versions prior to 4.2.6\nSpring Cloud Function 4.3.x: versions prior to 4.3.3\nSpring Cloud Function 5.0.x: versions prior to 5.0.2\nOlder, unsupported versions are also affected.","published":"2026-06-01T17:49:14.102Z","modified":"2026-08-12T03:51:13.188668033Z","cvss":{"score":5.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H"},"epss":{"score":0.00211,"percentile":0.11689,"asOf":"2026-08-15"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.cloud:spring-cloud-function-context","fixedVersion":"4.3.3"},{"ecosystem":"Maven","name":"org.springframework.cloud:spring-cloud-function-context","fixedVersion":"5.0.2"},{"ecosystem":"Maven","name":"org.springframework.cloud:spring-cloud-function-context","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.cloud:spring-cloud-function-context","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.cloud:spring-cloud-function-context","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-40989"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40989.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40989"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:13.188668033Z"}}