CVE-2026-40996

{"id": "CVE-2026-40996", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40996", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-11T12:44:42.180161Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@vmware.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security@vmware.com", "affectedData": [{"vendor": "Spring", "product": "Spring Web Services", "versions": [{"status": "affected", "version": "5.0.0", "lessThan": "5.0.1.1", "versionType": "custom"}, {"status": "affected", "version": "4.1.0", "lessThan": "4.1.3.1", "versionType": "custom"}, {"status": "affected", "version": "4.0.0", "lessThan": "4.0.19", "versionType": "custom"}, {"status": "affected", "version": "3.1.0", "lessThan": "3.1.9", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-11T07:16:27.550", "references": [{"url": "https://spring.io/security/cve-2026-40996", "source": "security@vmware.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@vmware.com", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "Wss4jSecurityInterceptor defaulted allowRSA15KeyTransportAlgorithm to true, overriding Apache WSS4J's safer default for validation RequestData. Inbound WS-Security decryption could therefore accept RSA PKCS#1 v1.5 (rsa-1_5) encrypted key material unless operators explicitly reconfigured the flag.\n\nAffected versions:\nSpring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8."}], "lastModified": "2026-06-23T21:16:56.743", "sourceIdentifier": "security@vmware.com"}