AIKIDO-2026-11170
spring-security-saml2-service-provider is vulnerable to Improper Verification of Cryptographic Signature
37
Low Risk
This Affects:
spring-security-saml2-service-providerTL;DR
Since Spring Security SAML decrypts SAML Responses as well as elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature, attackers may be able to craft these SAML payloads and use the Service Provider as a decryption oracle.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
spring-security-saml2-service-provider is vulnerable to Improper Verification of Cryptographic Signature in versions 0.0.1 - 6.5.10 and 7.0.0 - 7.0.5.
How to fix this
Upgrade the org.springframework.security:spring-security-saml2-service-provider library to the patch version.
Are You Affected?
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