CVE-2026-41707 HIGH

CVE-2026-41707: Spring Security DPoPProofJwtDecoderFactory vulnerable to DPoP Proof Replay

Vendor Spring
Product Spring Security
Weakness CWE-294
Published August 25, 2026
Last update August 27, 2026

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 25, 2026 CVE published
August 27, 2026 Record updated