What’s Vulnerable › Vulnerabilities

CVE-2025-22234: Spring Security - BCrypt Password Encoder maximum password length breaks timing attack mitigation

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-22 · updated 2026-06-17
• Weakness: CWE-208

Description

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.

Affected products

• Spring Security: 5.7.16, 5.8.18, 6.0.16, 6.1.14, 6.2.10, 6.3.8 (+1)

References

• https://spring.io/security/cve-2025-22234/

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