Description
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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Spring | Spring Security | 7.1.0, 7.0.0 – ≤ 7.0.6, 6.5.0 – ≤ 6.5.11 | — |
Advisories 1
- WID-SEC-2026-2956 VMware Tanzu Spring Security: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 27, 2026