CVE-2026-42230 n8n: Open Redirect in MCP OAuth Consent Flow

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /mcp-oauth/register endpoint accepted OAuth client registrations without authentication, allowing arbitrary redirecturi values to be registered. When a user denies the MCP OAuth consent dialog,...

CVE-2026-4296

An incorrect regular expression vulnerability was identified in GitHub Enterprise Server that allowed an attacker to bypass OAuth redirect URI validation. An attacker with knowledge of a first-party OAuth application's registered callback URL could craft a malicious authorization link that, when...

Improper Authorization

github.com/mattermost/mattermost-server is vulnerable to improper authorization. The vulnerability is due to failure in validating the relationship between the post being updated and the MSTeams plugin OAuth flow, which allows an attacker to exploit this via a crafted OAuth redirect URL to edit...

GHSA-5W6H-PJW6-WVC6 apache-airflow-providers-keycloak: Missing OAuth 2.0 State and PKCE Enables Login CSRF and Session Fixation

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the GitHub OAuth callback handler when the refreshInterval query parameter is embedded verbatim into an error message and rendered unescaped into HTML. An attacker can execute arbitrary JavaScript in the...

PT-2026-33378

Name of the Vulnerable Software and Affected Versions zrok versions prior to 2.0.1 Description The proxyUi template engine utilizes Go's text/template, which does not perform HTML escaping, rather than html/template. The GitHub OAuth callback handlers in 'publicProxy' and 'dynamicProxy' embed the...

CVE-2026-3691

The CVE-2026-3691 entry describes an information disclosure in the OpenClaw Client PKCE verifier within OAuth flows. Affected component is the OpenClaw client’s OAuth authorization implementation, where sensitive data is exposed in the authorization URL query string. This permits remote disclosur...

CVE-2026-3691 OpenClaw Client PKCE Verifier Information Disclosure Vulnerability

OpenClaw Client PKCE Verifier Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose stored credentials on affected installations of OpenClaw. User interaction is required to exploit this vulnerability in that the target must initiate an OAuth authorization...

CVE-2026-3691

OpenClaw Client PKCE Verifier Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose stored credentials on affected installations of OpenClaw. User interaction is required to exploit this vulnerability in that the target must initiate an OAuth authorization...

CVE-2026-35408

Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus's Single Sign-On SSO login pages lacked a Cross-Origin-Opener-Policy COOP HTTP response header. Without this header, a malicious cross-origin window that opens the Directus login page retai...

CVE-2026-35408

Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus's Single Sign-On SSO login pages lacked a Cross-Origin-Opener-Policy COOP HTTP response header. Without this header, a malicious cross-origin window that opens the Directus login page retai...

Insufficient Verification of Data Authenticity

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via the OAuth flow, where the PKCE verifier is reused as the OAuth state value and reflected back in the redirect URL. An attacker can obtai...

CVE-2026-34511

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption...

CVE-2026-34511

OpenClaw prior to 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, causing the PKCE verifier to be exposed in the redirect URL. If an attacker captures the redirect URL, they can obtain both the authorization code and the PKCE verifier, defeating PKCE prote...

CVE-2026-27124

CVE-2026-27124 describes a Confused Deputy vulnerability in the FastMCP OAuthProxy used with the GitHubProvider OAuth integration. Prior to version 3.2.0, the OAuthProxy does not properly validate user consent after receiving the GitHub authorization code, and combined with GitHub’s consent-page ...

OpenClaw 安全特征问题漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.4.2 had security feature vulnerabilities. These vulnerabilities stemmed from the reuse of the PKCE verifier as a state parameter in the Gemini OAuth process, which could lead to t...

CVE-2026-29782

OpenSTAManager is an open source management software for technical assistance and invoicing. Prior to version 2.10.2, the oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skippermissions = true. It loads a record from the zzoauth2 table using the attacker-controlled GET parameter...

CVE-2026-29782 OpenSTAManager: Remote Code Execution via Insecure Deserialization in OAuth2

OpenSTAManager is an open source management software for technical assistance and invoicing. Prior to version 2.10.2, the oauth2.php file in OpenSTAManager is an unauthenticated endpoint $skippermissions = true. It loads a record from the zzoauth2 table using the attacker-controlled GET parameter...

CVE-2026-34456

The CVE concerns Reviactyl, an open-source game server management panel (Laravel/React stack). From version 26.2.0-beta.1 to before 26.2.0-beta.5, the OAuth authentication flow allowed automatic linking of social accounts based solely on matching email addresses, enabling an attacker to create or...

CVE-2026-34456

Reviactyl is an open-source game server management panel built using Laravel, React, FilamentPHP, Vite, and Go. From version 26.2.0-beta.1 to before version 26.2.0-beta.5, a vulnerability in the OAuth authentication flow allowed automatic linking of social accounts based solely on matching email...