Anthropic MCP Inspector Vulnerability - Vulnerability

Frequency

occurrences

First Seen

March 18, 2026

Last Seen

March 18, 2026

Anthropic MCP Inspector Vulnerability is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed March 18, 2026; most recent activity March 18, 2026.

Related Threat Clusters

Critical Vulnerabilities in Claude.ai Enable Data Theft and Malicious Redirects
A series of vulnerabilities in Anthropic's Claude.ai, collectively termed 'Claudy Day', have been identified, allowing attackers to exfiltrate sensitive user data and redirect users to malicious sites. The attack chain…

4 articles · Updated March 18, 2026

Recent Intelligence Reports

Claude.ai Vulnerabilities Expose Data Exfiltration Risks — Technadu · March 18, 2026

Related Entities

Data Breach Claudy Day Anthropic T1203 - Exploitation for Client Execution T1567 - Exfiltration Over Web Service Anthropic Cowork AI Anthropic Files API Anthropic MCP Inspector Claude Code Anthropic Cowork AI Vulnerability Claude Code Vulnerability

Anthropic MCP Inspector Vulnerability - Vulnerability

Entity Not Found

Related Threat Clusters

Recent Intelligence Reports

Related Entities

CVSS v3.1 Breakdown