UBUNTU-CVE-2026-16615

A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand function from the GLib API, a cryptographically insecure pseudo-random number generator. Because the generated "code verifier" lacks sufficient cryptographic entropy, a malicious actor can reverse-engineer...

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...

RabbitMQ 4.2.x < 4.2.6 OAuth Token Expiry Consumer Bypass

The version of RabbitMQ installed on the remote host is 4.2.x prior to 4.2.6. It is, therefore, affected by an authorization bypass vulnerability: - RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.updatesecret refresh to reduced...

RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations

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EUVD-2026-43028

Authentication Bypass Using an Alternate Path or Channel vulnerability in miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO OAuth Client allows Password Recovery Exploitation. This issue affects OAuth Single Sign On - SSO OAuth Client: from n/a through 38.5.8...

CVE-2026-57807 WordPress OAuth Single Sign On - SSO (OAuth Client) plugin <= 38.5.8 - Broken Authentication vulnerability

Authentication Bypass Using an Alternate Path or Channel vulnerability in miniOrange Security Software Pvt Ltd. OAuth Single Sign On - SSO OAuth Client allows Password Recovery Exploitation. This issue affects OAuth Single Sign On - SSO OAuth Client: from n/a through 38.5.8...

CVE-2026-57219 RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauthclientsecret, exposing credentials to unauthenticated callers when the...

CVE-2026-8609

An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance denial of service...

CVE-2026-8609

Grafana CVE-2026-8609: an unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth and eventual denial of service (crash). The connected sources (NVD, CIRCL sighting, AttackKB, Alpine Linux advisory, CVE listings, vuln enrichment...

PT-2026-57307

Name of the Vulnerable Software and Affected Versions miniOrange OAuth Single Sign On - SSO OAuth Client versions prior to 38.5.9 Description An authentication bypass exists in the miniOrange OAuth SSO WordPress plugin. An unauthenticated remote attacker can exploit an alternate password-recovery...

PT-2026-56795

The implementation of an internal and undocumented Dashboard API endpoint POST /api/users//user/tokens forgot to ensure an HTTP request for creating an API Token for another user had sufficient permission to do so. Precondition for successful exploitation was a preexisting internal user with more...

pgadmin4 is affected by a Cross-Origin Opener Policy (COOP) vulnerability

pgAdmin = 9.7 is affected by a Cross-Origin Opener Policy COOP vulnerability.This vulnerability allows an attacker to manipulate the OAuth flow,potentially leading to unauthorised account access, account takeover, data breaches, and privilege escalation...

CVE-2026-12740 Plack::Middleware::OAuth versions through 0.10 for Perl do not support the OAuth 2.0 state parameter

Plack::Middleware::OAuth versions through 0.10 for Perl do not support the OAuth 2.0 state parameter. RequestTokenV2 builds the provider authorization redirect without issuing a state value, and AccessTokenV2 exchanges the callback code and registers the resulting token into the session...

CVE-2026-58422

Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts...

CVE-2026-58422 Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts

Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts...

PT-2026-55597

Name of the Vulnerable Software and Affected Versions Gitea versions prior to 1.25.5 Description The software fails to correctly persist the OAuth2 PKCE S256 challenge method during the authorization process. This flaw allows for token exchange without the required verifier check. PKCE Proof Key...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the unauthenticated GET /api/v1/oauth and GET /api/v1/oauth/:id endpoints, which serialize and return sensitive fields such as clientsecret in the response. An attacker can obtain...

CVE-2026-56767 Maxun < 0.0.42 - Cross-Tenant IDOR in Storage and Webhook API Handlers

Maxun before 0.0.42 contains a cross-tenant insecure direct object reference vulnerability in storage and webhook API handlers that allows authenticated users to access other users' robots and OAuth tokens. Attackers can read plaintext Google and Airtable access tokens, modify, delete, or execute...

PT-2026-52494

Name of the Vulnerable Software and Affected Versions LibreChat versions prior to 0.8.5 Description LibreChat is an enhanced ChatGPT clone supporting multiple AI providers. The MCP OAuth implementation fails to validate that the resource parameter from OAuth Protected Resource metadata RFC 9728...

CVE-2026-45732

CVE-2026-45732 affects n8n, an open-source workflow automation platform. The vulnerability lies in the OAuth1/OAuth2 credential reconnect endpoints, which incorrectly authorize access using credential:read instead of credential:update. An authenticated user with read-only access to a shared crede...