CVE-2026-41707

Summary

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.

Affected Software

VendorProductVersion RangeStatus
SpringSpring Security7.1.0affected
SpringSpring Security7.0.0 <= 7.0.6affected
SpringSpring Security6.5.0 <= 6.5.11affected

Weaknesses

  • CWE-294: CWE-294 Authentication Bypass by Capture-replay

References