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CVE-2026-41694GHSA-WW38-37G9-M3Q3

SAML Payloads Decrypted Without Valid Signature

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.7.24, 5.8.26, 6.3.17, 6.4.17, 6.5.10.2, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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. Affected versions: Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Spring Spring Security

    From 5.7.0 · fixed in 5.7.24; From 5.8.0 · fixed in 5.8.26; From 6.3.0 · fixed in 6.3.17; From 6.4.0 · fixed in 6.4.17; From 6.5.0 · fixed in 6.5.10.2; From 7.0.0 · fixed in 7.0.5.1

  • org.springframework.security:spring-security-saml2-service-providerMaven

    From 7.0.0 · fixed in 7.0.6

  • org.springframework.security:spring-security-saml2-service-providerMaven

    From 6.5.0 · fixed in 6.5.11

  • org.springframework.security:spring-security-saml2-service-providerMaven

    From 6.4.0 · through 6.4.16

  • org.springframework.security:spring-security-saml2-service-providerMaven

    From 6.3.0 · through 6.3.16

  • org.springframework.security:spring-security-saml2-service-providerMaven

    From 5.8.0 · through 5.8.25

  • org.springframework.security:spring-security-saml2-service-providerMaven

    through 5.7.23

References 1

spring.io