Concrete CMS 跨站脚本漏洞

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS 9.5.0 and earlier had a cross-site scripting vulnerability. This vulnerability occurred due to the OAuth integration name being rendered using the t translation assistant. As a result, the...

PT-2026-42634

Summary The OAuth token strategy attached oauth scope and oauth granted resources to the request user, but the ACL middleware never consulted either. An OAuth token issued with a restricted scope e.g. MCP-only therefore inherited the full permissions of the underlying user across all routes; the...

Astra Linux – Vulnerability in curl

There is an improper authentication vulnerability in curl versions 7.33.0 through and including 7.82.0. This vulnerability may allow for the reuse of OAUTH2-authenticated connections without ensuring that the connection was authentically verified with the same credentials used for this transfer...

gitea -- multiple vulnerabilities

The Gitea team reports: CVE-2026-27783: incorrect read permission check CVE-2026-25714: public-only token filtering bypass CVE-2026-20706: missing token scope checking CVE-2026-27771: unauthenticated access to private container images CVE-2026-28744: git smart HTTP request scope bug CVE-2026-2869...

The New Phishing Click: How OAuth Consent Bypasses MFA

In February 2026, a phishing-as-a-service PhaaS platform called EvilTokens went live. Within five weeks, it had compromised more than 340 Microsoft 365 organizations across five countries. The targets of the platform received a message asking them to enter a short code at microsoft.com/devicelogi...

CVE-2026-8719

The AI Engine – The Chatbot, AI Framework & MCP for WordPress plugin for WordPress is vulnerable to Privilege Escalation in version 3.4.9. This is due to missing WordPress capability enforcement in the MCP OAuth bearer-token authorization path, where any valid OAuth token causes MCP access to be...

GHSA-QJP4-4JVR-XQG3 Spring AI MCP Security: Unvalidated URL Fetching (SSRF)

Summary The mcp-security framework fails to implement the mandatory SSRF mitigations outlined in the Model Context Protocol MCP security specifications. Specifically, it processes untrusted URLs for OAuth-related discovery and metadata without verifying if the targets are malicious or internal to...

CVE-2026-6334 OAuth authorization code client binding not enforced during token redemption in Mattermost

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

CVE-2026-6334

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

CVE-2026-6334 OAuth authorization code client binding not enforced during token redemption in Mattermost

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

BIT-GITLAB-2026-1322 Business Logic Errors in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with a readapi scoped OAuth application to create issues and add comments to issues in private projects due t...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: google-oauth-java-client (UTSA-2026-021491)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021491 advisory. PKCE support is not implemented in accordance with the RFC for OAuth 2.0 for Native Apps. Without the use of PKCE, the authorization code returned by an authorizatio...

PT-2026-41691

Name of the Vulnerable Software and Affected Versions mcp-security versions prior to 0.1.9 Description The mcp-security framework fails to implement mandatory Server-Side Request Forgery SSRF mitigations—a flaw where an attacker can induce the server to make requests to an unintended location—as...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: google-oauth-java-client (UTSA-2026-021484)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021484 advisory. The vulnerability is that IDToken verifier does not verify if token is properly signed. Signature verification makes sure that the token's payload comes from valid...

CVE-2026-8719

The AI Engine – The Chatbot, AI Framework & MCP for WordPress plugin for WordPress is vulnerable to Privilege Escalation in version 3.4.9. This is due to missing WordPress capability enforcement in the MCP OAuth bearer-token authorization path, where any valid OAuth token causes MCP access to be...

EUVD-2026-30678

The AI Engine – The Chatbot, AI Framework & MCP for WordPress plugin for WordPress is vulnerable to Privilege Escalation in version 3.4.9. This is due to missing WordPress capability enforcement in the MCP OAuth bearer-token authorization path, where any valid OAuth token causes MCP access to be...

PT-2026-42857

Name of the Vulnerable Software and Affected Versions Flask-Security-Too version 5.8.0 Description An issue in the OAuth reauthentication flow allows a session to be marked as fresh after verifying an OAuth account that belongs to a different user. If an attacker controls an already-authenticated...

CVE-2025-64526

Strapi is an open source headless content management system. In Strapi versions prior to 5.45.0, the rate-limit middleware in the users-permissions plugin derived its rate-limit key in part from ctx.request.body.email, including on routes whose body schema does not contain an email field...

CVE-2026-45338 Open WebUI: SSRF via OAuth Profile Picture URL in _process_picture_url (oauth.py)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a Server-Side Request Forgery SSRF vulnerability exists in processpictureurl in backend/openwebui/utils/oauth.py line 1338. The function fetches arbitrary URLs from OAuth picture...

CVE-2026-45338 Open WebUI: SSRF via OAuth Profile Picture URL in _process_picture_url (oauth.py)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a Server-Side Request Forgery SSRF vulnerability exists in processpictureurl in backend/openwebui/utils/oauth.py line 1338. The function fetches arbitrary URLs from OAuth picture...