MEDIUMCVSS 4.8EPSS 0.1%

CVE-2026-40996

CVE-2026-40996 updated by NVD

Published: 2026-06-11
Modified: 2026-09-06
EPSS percentile: 3%
Sources: github-advisory, nvd

Summary

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.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
Maven	org.springframework.ws:spring-ws-security	—	5.0.2, 4.1.4

Remediation: Upgrade to 5.0.2 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-40996

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.