CVE-2026-41707

Spring Security DPoPProofJwtDecoderFactory vulnerable to DPoP Proof Replay

State: Published
Severity: 7.4 High
Published: Aug 25, 2026
Updated: Aug 27, 2026
Reserved: Apr 22, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	vmware

Weaknesses

CWE-294 Authentication Bypass by Capture-replay

Affected Products

Product	Versions
Spring SecuritySpring	7.1.0Affected 7.0.0 through 7.0.6Affected 6.5.0 through 6.5.11Affected

References

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

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