Agent Security News

AI agent vulnerabilities, MCP ecosystem risks, and identity threats. Curated from public security research. Updated regularly.

TLDR InfoSec 2026-03-12 OWASPagentscopilot

Your AI Copilot Is the Newest Attack Surface

83% of organizations plan to deploy agentic AI, yet only 29% feel prepared to secure it. Four 2026 incidents show agents inheriting extensive permissions enable zero-click exfiltration and credential vault takeover.

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TapAuth Research 2026-02-28 MCPauthenticationaudit

41% of MCP Servers Have Zero Authentication

TapAuth scanned 518 MCP servers in the Official Registry. 214 servers (41%) have zero authentication. 1,422 MCP tools accessible to anyone who connects -- send campaigns, abort CI/CD builds, process payments.

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Enkrypt AI 2026-02-15 MCPvulnerabilitiesaudit

1,000 MCP Servers Scanned: 33% Have Critical Vulnerabilities

Enkrypt AI scanned 1,000+ MCP servers. Average: 5.2 vulnerabilities per server. A widely-used Kubernetes MCP server had 26 vulnerabilities including 6 critical command injection flaws (CVSS 9.8).

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CardinalOps 2026-02-10 MCPRCEdefault-config

FastMCP Default Config Enables Unauthenticated RCE

Following official FastMCP documentation to deploy with transport=http and host=0.0.0.0 results in zero authentication, zero encryption. Anyone with the server IP can invoke any exposed tool.

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Oligo Security 2026-01-20 CVEMCPRCE

Critical RCE in Anthropic MCP Inspector (CVE-2025-49596)

The official MCP debugging tool had no authentication between client and proxy. Chained with DNS rebinding, visiting a malicious website enabled arbitrary code execution on developer machines. CVSS 9.4.

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Invariant Labs 2026-01-05 GitHubMCPauthorization

GitHub MCP Server Exploited via Missing Per-Action Authorization

Invariant Labs documented accessing private repositories via the official GitHub MCP server by exploiting the lack of per-action authorization. Agent authenticates the user but not the agent itself.

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OWASP 2025-12-09 OWASPstandardsagents

OWASP Releases Top 10 for Agentic Applications

The OWASP GenAI Security Project releases dedicated risk framework for agentic AI. ASI03 (Identity & Privilege Abuse) and ASI07 (Insecure Inter-Agent Communication) highlight the agent identity gap.

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OWASP 2025-11-15 OWASPMCPstandards

OWASP MCP Top 10 Published

Dedicated Top 10 for Model Context Protocol security. MCP07 (Insufficient Authentication & Authorization) confirms: weak identity verification in MCP ecosystems exposes critical attack paths.

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