THREAT OPS › Threat News › [NVD] CVE-2026-40996 (MEDIUM 4.8) — 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 recon
[NVD] CVE-2026-40996 (MEDIUM 4.8) — 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 recon
CVE-2026-40996 CVSS: 4.8 MEDIUM Published: 2026-06-11T07:16:27.550
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.
Affected versions: Spring Web Ser
MITRE ATT&CK techniques
Indicators of compromise
- CVE-2026-40996cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-40996