Medium severity · published Jan 22, 2026
CVE-2025-22234
Spring Security - BCrypt Password Encoder maximum password length breaks timing attack mitigation
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Spring Security · Spring
5.7.16; 5.8.18; 6.0.16; 6.1.14; 6.2.10; 6.3.8; +1 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-22234
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-22234
spring.io
https://spring.io/security/cve-2025-22234/
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