PT-2026-107187

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The OAuth2 and OpenID Connect sign-in paths fail to require a WebAuthn challenge when WebAuthn is the only configured second factor for an account. This allows an attacker who can authenticate...

keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-105119

OpenAM before 16.1.3 applies its OAuth2 Provider PKCE enforcement only to authorization requests whose responsetype is exactly code, so codes issued through OpenID Connect hybrid flows code token, code idtoken, code token idtoken carry no bound challenge. An attacker who intercepts such a code ca...

CVE-2026-94276

Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue...

CVE-2026-94276 Apache APISIX: Openid-connect introspection validation issue

Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue...

CVE-2026-94276

Apache APISIX versions 3.12.0 through 3.18.0 are vulnerable to an Improper Authentication issue in the openid-connect plugin . When using remote introspection against an authorization server supporting multiple issuers, a token valid for one issuer may be incorrectly accepted on a route restricte...

EUVD-2026-90769

Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue...

CVE-2026-94276 Apache APISIX: Openid-connect introspection validation issue

Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue...

PT-2026-103835

Name of the Vulnerable Software and Affected Versions Apache APISIX versions 3.12.0 through 3.18.0 Description Improper Authentication occurs when using the openid-connect plugin with remote introspection against an authorization server that serves multiple issuers. In this scenario, a token that...

CVE-2026-94276: Improper Authentication

Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue...

org.apache.cxf/cxf: Apache CXF: Authorization Code Substitution via missing c_hash validation

A flaw was found in Apache CXF. When operating in the OpenID Connect Hybrid Flow, Apache CXF does not enforce the validation of the chash parameter. This vulnerability allows a remote attacker, through a non-compliant or misconfigured Identity Provider IdP, to perform Authorization Code...

cxf-rt-rs-security-oauth2: Apache CXF: Security bypass due to improper handling of authorization parameters

A flaw was found in Apache CXF. This vulnerability allows an attacker, who has compromised a client's secret, to bypass critical security protections in the authorization process. By injecting malicious values for parameters like codechallenge and nonce, the attacker can undermine the integrity o...

CVE-2026-65583

A flaw was found in Apache CXF. The OpenID Connect OIDC relying-party token validation in Apache CXF could accept specially crafted self-issued ID tokens. This bypasses necessary claim checks, such as issuer, subject, audience, and time, leading to an authentication bypass. This vulnerability...

CVE-2026-82843

The WP OAuth Server Login with WordPress WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the...

EUVD-2026-85030

The WP OAuth Server Login with WordPress WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the...

Important: Red Hat Security Advisory: mod_auth_openidc security update

An update for modauthopenidc is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

The vulnerability of the Authlib OAuth 2.0 library server against OAuth and OpenID Connect servers allows a hacker to redirect a user to any given URL address.

The vulnerability of the Authlib OAuth 2.0 library server for OAuth and OpenID Connect servers involves redirecting the URL to an unreliable website. Exploiting this vulnerability could allow a malicious actor to redirect users to any given URL address...

CVE-2026-78428: Session Fixation

For users authenticated through SAML or OpenID Connect OIDC, this vulnerability can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently...

SUSE CVE-2026-78428

For users authenticated through SAML or OpenID Connect OIDC, this vulnerability can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently...

warpgate v0.29.0-beta.1

Warpgate is a smart & fully transparent SSH, HTTPS, Kubernetes, MySQL, PostgreSQL, RDP and VNC bastion host that doesn't require a client app or an SSH wrapper. Set it up in your DMZ, add user accounts and easily assign them to specific hosts and URLs within the network. Warpgate will record ever...