CVE-2026-68079

Apache CXF’s DefaultEncryptingCodeDataProvider has a flaw in removeCodeGrant that allows an authorization code to be redeemed unlimited times, violating the one-time-use RFC requirement. This can enable unlimited replay of captured codes. Affected versions are fixed in CXF 4.2.3, 4.1.8, and 3.6.1...

EUVD-2026-53858

In Apache CXF's DefaultEncryptingCodeDataProvider, a captured authorization code can be redeemed an unlimited number of times due to a flaw in the implementation of the removeCodeGrant functionality. This violates the RFC requirement that "The authorization code MUST NOT be used more than once."...

NPM: @better-auth/oauth-provider's OAuth authorization-code grant allows concurrent redemption when two token requests race the find-then-delete primitive

NPM: @better-auth/oauth-provider's OAuth authorization-code grant allows concurrent redemption when two token requests race the find-then-delete primitive vulnerability discovered by ? in WordPress Npm better-auth versions 1.6.11...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview better-auth is a The most comprehensive authentication library for TypeScript. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition through a race condition in the authorizationcode grant handler. An attacker can obtain multiple valid access...

EUVD-2024-1035

Malicious code in bioql PyPI...

CVE-2024-22258

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

CVE-2024-42476 oauth CSRF vulnerability

In the OAuth library for nim prior to version 0.11, the Authorization Code grant and Implicit grant both rely on the state parameter to prevent cross-site request forgery CSRF attacks where a resource owner might have their session associated with protected resources belonging to an attacker. Whe...

PKCE Downgrade Attack

spring-security-oauth2-authorization-server is vulnerable to PKCE Downgrade. The vulnerability is due to improper handling of PKCE authorization when a Confidential Client requests an Authorization Code Grant. Note that this vulnerability only applies to Confidential Clients, Public Clients are...

GHSA-X637-X8P3-5P22 Improper Authentication in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

CVE-2024-22258

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

CVE-2024-22258

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

UBUNTU-CVE-2024-22258

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

Denial Of Service (DoS)

org.springframework.security:spring-security-oauth2-client is vulnerable to denial of service DoS attacks. An attacker is able to cause resource exhaustion via sending multiple requests initiating the authorization request for the authorization code grant using a single session or multiple...

spring-security: Denial-of-Service (DoS) attack via initiation of Authorization Request

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service DoS attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker c...

Denial Of Service (DoS)

Spring Security OAuth is vulnerable to denial of service. The vulnerability exists due to a lack of restriction of the number of request initiating the Authorization Request for the Authorization Code Grant allowing an attacker to exhaust the system resources sending multiple requests with a sing...

GHSA-C2CP-3XJ9-97W9 Denial of service in Spring Security OAuth2

Spring Security OAuth versions 2.5.x prior to 2.5.2 and older unsupported versions are susceptible to a Denial-of-Service DoS attack via the initiation of the Authorization Request in an OAuth 2.0 Client application. A malicious user or attacker can send multiple requests initiating the...

CVE-2022-22969

Spring Security OAuth versions 2.5.x prior to 2.5.2 and older unsupported versions are susceptible to a Denial-of-Service DoS attack via the initiation of the Authorization Request in an OAuth 2.0 Client application. A malicious user or attacker can send multiple requests initiating the...

Resource Exhaustion in Spring Security

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service DoS attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker c...

CVE-2021-22119

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service DoS attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker c...

CVE-2021-22119

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service DoS attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker c...