CVE-2025-22234: Spring Security has a broken timing attack mitigation implemented in DaoAuthenticationProvide

January 22, 2026

The fix applied in CVE-2025-22228 inadvertently broke the timing attack mitigation implemented in DaoAuthenticationProvider. This can allow attackers to infer valid usernames or other authentication behavior via response-time differences under certain configurations.

References

github.com/advisories/GHSA-vqxh-445g-37fc
github.com/spring-projects/spring-security
nvd.nist.gov/vuln/detail/CVE-2025-22234
spring.io/security/cve-2025-22234

Code Behaviors & Features

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