Vulnerability DatabaseCVE-2026-40996
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CVE-2026-40996
Published:June 11, 2026
Updated:June 28, 2026
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
https://github.com/spring-projects/spring-ws.git (GITHUB):
Affected version(s) >=v5.0.0 <v5.0.2
Fix Suggestion:
Update to version v5.0.2
https://github.com/spring-projects/spring-ws.git (GITHUB):
Affected version(s) >=v4.1.0 <v4.1.4
Fix Suggestion:
Update to version v4.1.4
Related Resources (1)
https://spring.io/security/cve-2026-40996
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Use of a Broken or Risky Cryptographic Algorithm
CWE-327
EPSS
Base Score:
0.13