Improper Verification of Cryptographic Signature in Spring Security - CVE-2026-41694
Published: August 28, 2026
Vulnerability identifier: #VU146183
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41694
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper signature verification in SAML response and logout message decryption handling when processing crafted SAML payloads. A remote attacker can craft SAML responses, logout requests, or logout responses to disclose sensitive information.
The issue can expose the service provider as a decryption oracle.
Affected software
Spring Security
How to mitigate CVE-2026-41694
Install security update from vendor's website.
Spring Security - addressed in versions 5.7.24, 5.8.26, 6.3.17, 6.4.17, 6.5.11, 7.0.6