Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: oauth2-proxy: oauth2-proxy-7.15.3-0.3.hum1 aarch64, x8664 oauth2-proxy-7.15.3-0.3.hum1.src src Security Fixes: oauth2-proxy: CVE-2026-56852...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the Open function, which uses raw http.Get and os.Open without proper host or scheme validation. An attacker can access internal network resources, cloud metadata endpoints, or read arbitrary local...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the handleOAuth2SignIn. An attacker can regain access to a previously deactivated account by signing in through an OAuth2 authentication source that does not issue refresh tokens. This allows the attacker...

GHSA-VRHC-JJFC-M3M3 Gitea: OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)

Description Gitea's OAuth2 sign-in callback reactivates a deactivated user account IsActive=false when the user signs in through an authentication source that does not issue refresh tokens notably GitHub, and any OIDC/OAuth2 source configured without offlineaccess. PR 38009 added a gate intended ...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the handleOAuth2SignIn. An attacker can regain access to a previously deactivated account by signing in through an OAuth2 authentication source that does not issue refresh tokens. This allows the attacker...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the repo.Home handler when a personal access token or OAuth2 token lacking the required scope is used. An attacker can access private repository content, including the README, root file and directory...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the repo.Home handler when a personal access token or OAuth2 token lacking the required scope is used. An attacker can access private repository content, including the README, root file and directory...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through the repo.Home handler when a personal access token or OAuth2 token lacking the required scope is used. An attacker can access private repository content, including the README, root file and directory...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the oauth2UpdateAvatarIfNeed function. An attacker can cause the server to make arbitrary outbound HTTP GET requests by supplying a crafted avatar URL through the OAuth2/OIDC picture claim. This can...

GHSA-X77V-Q46J-393G Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Summary When oauth2client UPDATEAVATAR = true is enabled, Gitea fetches the avatar URL received from an OAuth2/OIDC provider using Go's default HTTP client. The URL comes from the user's OAuth/OIDC avatar value, commonly the OIDC picture claim. The affected code path calls http.Geturl without...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the oauth2UpdateAvatarIfNeed function. An attacker can cause the server to make arbitrary outbound HTTP GET requests by supplying a crafted avatar URL through the OAuth2/OIDC picture claim. This can...

Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Summary When oauth2client UPDATEAVATAR = true is enabled, Gitea fetches the avatar URL received from an OAuth2/OIDC provider using Go's default HTTP client. The URL comes from the user's OAuth/OIDC avatar value, commonly the OIDC picture claim. The affected code path calls http.Geturl without...

PT-2026-61821

A vulnerability was found in trinodb trino 481. Affected is an unknown function of the file core/trino-main/src/main/java/io/trino/server/ExternalUriInfo.java of the component OAuth2/OIDC. Performing a manipulation of the argument redirect uri results in open redirect. It is possible to initiate...

EUVD-2026-45417

A security vulnerability has been detected in django-oauth django-oauth-toolkit 3.3.0. This issue affects the function loadidtoken of the file oauth2provider/oauth2validators.py. The manipulation leads to session expiration. The attack can be initiated remotely. The project was informed of the...

PT-2026-61040

Name of the Vulnerable Software and Affected Versions django-oauth-toolkit version 3.3.0 Description A remote attack targeting the load id token function within the oauth2 provider/oauth2 validators.py file can lead to session expiration. Recommendations At the moment, there is no information abo...

CVE-2026-13410

Dancer::Plugin::Auth::Google versions through 0.07 for Perl have TLS verification disabled. The default user agent is initialised with SSLverifymode explicitly disabled. An attacker with network man-in-the-middle MITM capability between the Dancer application and googleapis.com can intercept the...

Authorization Bypass Through User-Controlled Key

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key due to the OAuth 2.0 authorization code handling. An attacke...

CVE-2026-8590 Spotfire OAuth2 PKCE Bypass for public clients

Vulnerability in Spotfire Spotfire Enterprise Spotfire Server modules, Spotfire Spotfire Enterprise with External Consumers Spotfire Server modules, Spotfire Spotfire on Kubernetes Spotfire Server modules. This issue affects Spotfire Enterprise: through 14.0.12, through 14.4.2, through 14.5.0,...

SAP Approuter has an Open Redirect vulnerability

SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results...

GHSA-44P5-3M5G-VFHJ SAP Approuter has an Open Redirect vulnerability

SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results...