Vulnerability in Spring Security
CVE-2026-41707
Spring Security's DPoPProofJwtDecoderFactory contains a cache-based replay attack vulnerability. The internal cache storing JWT ID claims has a strict size limit, allowing attackers to evict legitimate entries by flooding the server with dummy requests, then replay intercepted valid DPoP proofs. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Spring Security — versions 7.1.0
References
Frequently asked questions
- What is CVE-2026-41707?
- CVE-2026-41707 is a high-severity vulnerability in Spring Security, classified under CWE-294 AUTHENTICATION BYPASS BY CAPTURE-REPLAY. CVSS score: 7.4/10. Published 2026-08-25.
- How severe is CVE-2026-41707?
- High severity. CVSS v3 base score is 7.4 out of 10.