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 ...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the GET /login/oauth/userinfo endpoint. An attacker can access identity claims such as email and groups by supplying a personal access token with insufficient scopes as a bearer...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the CreateAccessToken process. An attacker can gain elevated privileges by supplying a restricted token in the Authorization: Basic :x-oauth-basic format, which bypasses authentication checks and allows...

Gitea: OAuth token introspection returns metadata of tokens issued to other clients (RFC 7662 section 4 violation)

Live reproduction against Gitea 1.26.1 Setup: Gitea 1.26.1 docker stack with two users admin and victim and two OAuth applications owned by different users: Client A: id=5dda747d-7fdd-4694-85ff-ce4f893ce51e owner=admin Client B: id=588f778f-4a41-4914-ae01-85d776c369db owner=victim admin runs an...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the IntrospectOAuth process. An attacker can access sensitive metadata about tokens issued to other clients by submitting a valid token to the introspection endpoint using their own OAuth application's...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the IntrospectOAuth process. An attacker can access sensitive metadata about tokens issued to other clients by submitting a valid token to the introspection endpoint using their own OAuth application's...

CVE-2026-16336

Technical details about CVE-2026-16336 are not publicly available in the provided documents. Monitor for updates from trinodb/trino project and CVE listings.

CVE-2026-16336 trinodb trino OAuth2/OIDC ExternalUriInfo.java redirect

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 redirecturi results in open redirect. It is possible to initiate t...

Cloudreve: OAuth access tokens bypass scope enforcement due to missing client_id claim

Summary Cloudreve's OAuth access tokens can bypass OAuth scope enforcement. This does not appear to be the intended design. The documentation describes OAuth client permissions/scopes, the API has an insufficient-scope error code, and the code comments say RequiredScopes... should verify scopes...

CVE-2026-12341 SailPoint IdentityIQ Improper Bearer Token Validation Vulnerability

This vulnerability impacts all versions of IdentityIQ and allows an unauthenticated attacker unauthorized access to protected APIs and data due to improper validation of OAuth bearer tokens...

EUVD-2026-46064

This vulnerability impacts all versions of IdentityIQ and allows an unauthenticated attacker unauthorized access to protected APIs and data due to improper validation of OAuth bearer tokens...

CVE-2026-46715

Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim...

CVE-2026-46715

Summary of CVE-2026-46715 (Flask-Security-Too) Affected: Flask-Security-Too up to version 5.8.0. Issue: in the OAuth reauthentication flow, the verification callback can mark a victim’s session as freshly reauthenticated after an OAuth identity belonging to a different user is verified. If an att...

CVE-2026-46715

Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim...

CVE-2026-46715 Flask-Security-Too OAuth reauthentication freshness bypass via cross- user OAuth identity acceptance

Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim...

EUVD-2026-46039

Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim...

CVE-2026-46715 Flask-Security-Too OAuth reauthentication freshness bypass via cross- user OAuth identity acceptance

Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim...

VulnCheck KEV: CVE-2026-48611

Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to unauthorized access in default installations...

SUSE CVE-2026-16206

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...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the OAuth Handler component. An attacker can perform unauthorized actions on behalf of authenticated users by tricking them into submitting malicious requests. Remediation There is no fixed version fo...