AI Security
How safe are AI agents, plugins and MCP servers?
A dated advisory and incident database for AI plugins, IDE AI extensions and MCP, plus a posture matrix: approvals, allow/deny rules, sandboxing, OAuth, verified listings, admin allowlists, audit logs and disclosure.
- Advisories
- 189
- Critical
- 11
- Posture cells verified
- 69/120
- Tools
- 12
Latest advisories and incidents
Open the database (189) →MCP App escapes its CSP by navigating its own frame
MCP Inspector · GHSA-h9j8-vj8g-v3gg
MCP Inspector can stall on a malicious tool output schema regex.
MCP Inspector · GHSA-2fw8-7jmw-r937
Missing user ID claims collapse authenticated principals and allow MCP session hijacking
MCP C# SDK · GHSA-x863-g495-4cjc
Malicious 'Anthropic.claude-code' 2.1.312 / 2.1.313 in Cursor's extension marketplace
Cursor VS Code Extension Marketplace
mcp-server-git: nested gitdir file bypasses --repository confinement
MCP reference servers · GHSA-w766-5x43-whvw
TOCTOU Race in Edit Tool Allows File Writes Outside the Workspace
Claude Code · CVE-2026-88968 · GHSA-5xjx-9qx6-jcrv
Postman Desktop auto-installs Codex / Claude Code plugins and pre-trusts its own startup hook
Postman Desktop 12.33.4–12.35.1
fetch: private-address guard bypass via IDNA hostnames (check and connect resolve different names)
MCP reference servers · GHSA-v38p-wf49-hx2j
Security posture matrix
What each tool documents about approvals, isolation, admin control and disclosureFeatures
What each column means and who supports itSecurity updates
All →MCP Inspector: Unvalidated runtimeArguments and identifier in server.json import & unvalidated URL scheme in web ElicitationUrlModalBody
Medium. Status: patched. GHSA-rwv7-mh2c-ff2p. MCP Inspector advisory.
MCP Inspector: MCP App escapes its CSP by navigating its own frame
Medium (CVSS 6.1). Status: patched. GHSA-h9j8-vj8g-v3gg. MCP Inspector advisory.
MCP Inspector: MCP Inspector can stall on a malicious tool output schema regex.
Medium (CVSS 6.5). Status: patched. GHSA-2fw8-7jmw-r937. MCP Inspector advisory.
AI security posture: 12 tracked across 10 capabilities
69 of 120 cells are verified against vendor docs and 51 are still marked unknown. The most widely confirmed capability is OAuth for remote MCP (10 of 12).
MCP C# SDK: Missing user ID claims collapse authenticated principals and allow MCP session hijacking
High (CVSS 7.5). Status: patched. GHSA-x863-g495-4cjc. MCP C# SDK advisory.
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