CVE-2026-40996

CVSS Score & Metrics

Base Score

4.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N                                    

Vulnerability Description

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 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.

Vulnerability Details

Published Date

June 11, 2026

Last Modified

June 17, 2026

CWE ID

CWE-327

Source

NVD

Vendor

Spring

Product

Spring Web Services

External References

https://spring.io/security/cve-2026-40996

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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