CVE-2026-41694

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.

Affected Software

VendorProductVersion RangeStatus
SpringSpring Security5.7.0 < 5.7.24affected
SpringSpring Security5.8.0 < 5.8.26affected
SpringSpring Security6.3.0 < 6.3.17affected
SpringSpring Security6.4.0 < 6.4.17affected
SpringSpring Security6.5.0 < 6.5.10.2affected
SpringSpring Security7.0.0 < 7.0.5.1affected

Weaknesses

  • CWE-347: CWE-347: Improper Verification of Cryptographic Signature

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References