CVE-2026-41707

Authentication Bypass by Capture-replay vulnerability in Spring Spring Security allows 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. This issue affects Spring Security: 7.1.0, from 7.0.0 through 7.0.6, and from 6.5.0 through 6.5.11.

Score

CVSS 3.1 7.4 High

Status

Analyzed - security@vmware.com

Published

2026-08-25

Last modified

2026-08-27

Weaknesses

CWE-294

Affected products

• Spring Security (Spring)
• Spring Security (Vmware)

References

• https://spring.io/security/cve-2026-41707