Spring Security 6.5.x < 6.5.12 / 7.0.x < 7.0.6.1 / 7.1.x < 7.1.0.1 DPoP Proof Replay

The version of Spring Security installed on the remote host is 6.5.x prior to 6.5.12, 7.0.x prior to 7.0.6.1, or 7.1.x prior to 7.1.0.1. It is, therefore, affected by a vulnerability: - Spring Security's DPoPProofJwtDecoderFactory uses an internal cache to store the processed jti JWT ID claims,...

Replay Attack

Spring Security is vulnerable to Replay Attack. The vulnerability is due to a strict size limit on the cache storing JWT ID claims, which allows an attacker to evict legitimate entries by flooding the server with dummy requests and subsequently replay intercepted valid DPoP proofs...

A Bootiful Podcast: Joe Grandja on Spring Authorization Server, OAuth, and so much more

Hi, Spring fans! In this episode, I talk Spring Security’s Joe Grandja about Spring Authorization Server’s graduation into Spring Security 7, and the new security heavyweights DPoP and PAR...

EUVD-2026-66187

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...

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 ...

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

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 ...

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

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 ...

CVE-2026-41707

Spring Security 's DPoPProofJwtDecoderFactory is vulnerable to a cache-based replay attack . The internal cache that stores JWT ID claims has a strict size limit, which an attacker can exploit by flooding the server with dummy requests to evict legitimate entries, then replaying intercepted valid...

PT-2026-81899

Name of the Vulnerable Software and Affected Versions Spring Security version 7.1.0 Spring Security versions 7.0.0 through 7.0.6 Spring Security versions 6.5.0 through 6.5.11 Description An authentication bypass issue exists in the DPoPProofJwtDecoderFactory due to a cache-based replay attack. Th...

cve-2026-41707 - HIGH - Spring Security DPoPProofJwtDecoderFactory vulnerable to DPoP Proof Replay

cve-2026-41707 - HIGH - Spring Security DPoPProofJwtDecoderFactory vulnerable to DPoP Proof Replay...

Replay Attack

Overview org.springframework.security:spring-security-oauth2-jose is a provides security services for the Spring IO Platform. Affected versions of this package are vulnerable to Replay Attack through the DPoPProofJwtDecoderFactory. An attacker can gain unauthorized access and impersonate a victim...

Linux Distros Unpatched Vulnerability : CVE-2026-54431

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In liboauth2 the Demonstrating Proof-of-Possession DPoP verifier accepts a proof whose JSON Web Key jwk header contains private key material. RFC 9449 section 4...

AZL-91682 CVE-2026-54431 affecting package liboauth 1.0.3-15

In liboauth2 the Demonstrating Proof-of-Possession DPoP verifier accepts a proof whose JSON Web Key jwk header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to reject such a proof but oauth2tokenverify function returns success for a malformed DPoP proof that...

CVE-2026-54431

In liboauth2 the Demonstrating Proof-of-Possession DPoP verifier accepts a proof whose JSON Web Key jwk header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to reject such a proof but oauth2tokenverify function returns success for a malformed DPoP proof that...

CVE-2026-54431

In liboauth2 the Demonstrating Proof-of-Possession DPoP verifier accepts a proof whose JSON Web Key jwk header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to reject such a proof but oauth2tokenverify function returns success for a malformed DPoP proof that...

CVE-2026-54431: Improperly Implemented Security Check for Standard

In liboauth2 the Demonstrating Proof-of-Possession DPoP verifier accepts a proof whose JSON Web Key jwk header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to reject such a proof but oauth2tokenverify function returns success for a malformed DPoP proof that...

GHSA-XQ8M-7C5P-C2R6 Auth0 Next.js SDK has Improper Proxy Cache Lookup

Description In affected versions of the Next.js SDK, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Which Projects are Affected? Users are affected if they meet all of the following preconditions: -...

CVE-2026-40155

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. In versions 4.12.0 through 4.17.1, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Users are affected if...

CVE-2026-40155 Auth0 Next.js SDK has Improper Proxy Cache Lookup

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. In versions 4.12.0 through 4.17.1, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Users are affected if...

CVE-2026-40155

The CVE concerns the Auth0 Next.js SDK. Affected versions: 4.12.0–4.17.1. Issue: when multiple simultaneous requests trigger a nonce retry, the proxy cache fetcher may perform improper lookups for token request results. Impact: affects projects using both the vulnerable SDK versions and the proxy...