{"id":"CVE-2026-40989","state":"PUBLISHED","title":"Self Routing guard bypassed via function composition","description":"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.","publishedAt":"2026-06-01T17:49:14.102Z","updatedAt":"2026-06-01T19:35:11.824Z","severity":{"score":5.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H","source":"vmware"},"assigner":"vmware","products":["Spring Spring Cloud Function"],"affected":[{"vendor":"Spring","product":"Spring Cloud Function","defaultStatus":"unaffected","versions":[{"version":"3.2.0","status":"affected","lessThan":"3.2.16","versionType":"custom"},{"version":"4.1.0","status":"affected","lessThan":"4.1.10","versionType":"custom"},{"version":"4.2.0","status":"affected","lessThan":"4.2.6","versionType":"custom"},{"version":"4.3.0","status":"affected","lessThan":"4.3.3","versionType":"custom"},{"version":"5.0.0","status":"affected","lessThan":"5.0.2","versionType":"custom"}]}],"references":["https://spring.io/security/cve-2026-40989"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40989.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40989","state":"PUBLISHED","datePublished":"2026-06-01T17:49:14.102Z","dateUpdated":"2026-06-01T19:35:11.824Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-04-16T02:19:09.389Z"},"containers":{"cna":{"title":"Self Routing guard bypassed via function composition","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Spring","product":"Spring Cloud Function","defaultStatus":"unaffected","versions":[{"version":"3.2.0","status":"affected","lessThan":"3.2.16","versionType":"custom"},{"version":"4.1.0","status":"affected","lessThan":"4.1.10","versionType":"custom"},{"version":"4.2.0","status":"affected","lessThan":"4.2.6","versionType":"custom"},{"version":"4.3.0","status":"affected","lessThan":"4.3.3","versionType":"custom"},{"version":"5.0.0","status":"affected","lessThan":"5.0.2","versionType":"custom"}]}],"references":[{"url":"https://spring.io/security/cve-2026-40989"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:H","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH","baseScore":5.7,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","lang":"en","description":"CWE-674 Uncontrolled Recursion","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-06-01T17:49:14.102Z"},"impacts":[{"descriptions":[{"lang":"en","value":"Under infinite recursion in the routing layer, request-handling can cause an OOM error, leading to denial of service."}]}],"source":{"discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T19:34:59.555964Z","id":"CVE-2026-40989","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-01T19:35:11.824Z"}}]}}}