mcp-security-checklist

🔐 MCP Security Checklist A practical, community-maintained security checklist for teams building and deploying Model Context Protocol MCP servers and AI agent infrastructure. Why This Exists MCP is being adopted rapidly. Security guidance is lagging behind. This checklist gives security engineers...

PYSEC-2026-3815 ChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions...

BIT-DISCOURSE-2026-44786 Discourse: Public chat MessageBus broadcasts are not restricted to chat-eligible users

Discourse is an open-source discussion platform. From versions 2026.1.0 to before 2026.1.4, 2026.3.0 to before 2026.3.1, and 2026.4.0 to before 2026.4.1, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus subscriber without chat...

CVE-2026-44786

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus...

CVE-2026-44786 Discourse: Public chat MessageBus broadcasts are not restricted to chat-eligible users

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus...

GHSA-XPH7-9RJV-W5FR ChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions...

[SECURITY] [DSA 3351-1] chromium-browser security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3351-1 [email protected] https://www.debian.org/security/ Michael Gilbert September 03, 2015 https://www.debian.org/security/faq -...

[SECURITY] [DSA 3351-1] chromium-browser security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3351-1 [email protected] https://www.debian.org/security/ Michael Gilbert September 03, 2015 https://www.debian.org/security/faq -...

Debian Security Advisory DSA 3351-1 (chromium-browser - security update)

Several vulnerabilities have been discovered in the chromium web browser. CVE-2015-1291 A cross-origin bypass issue was discovered in DOM. CVE-2015-1292 Mariusz Mlynski discovered a cross-origin bypass issue in ServiceWorker. CVE-2015-1293 Mariusz Mlynski discovered a cross-origin bypass issue in...

DSA-3351-1 chromium-browser - security update

Bulletin has no description...

Debian: Security Advisory (DSA-3351-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

chromium: multiple issues

CVE-2015-1291, CVE-2015-1293: Cross-origin bypass in DOM. - CVE-2015-1292: Cross-origin bypass in ServiceWorker. - CVE-2015-1294: Use-after-free in Skia. - CVE-2015-1295: Use-after-free in Printing. - CVE-2015-1296: Character spoofing in omnibox. - CVE-2015-1297: Permission scoping error in...

Google Chrome < 45.0.2454.85 Multiple Vulnerabilities

The version of Google Chrome installed on the remote macOS host is prior to 45.0.2454.85. It is, therefore, affected by multiple vulnerabilities as referenced in the 201509stable-channel-update advisory. - Multiple unspecified vulnerabilities in Google Chrome before 45.0.2454.85 allow attackers t...