Is CVE-2026-19338 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19338?

CVE-2026-19338 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-19338

Description

A vulnerability was identified in automateyournetwork MCPyATS up to 0.1.4. The affected element is the function processGenerateRequest of the file mcp_servers/mermaid/index.ts of the component generate_mermaid_markdown. The manipulation of the argument folder/name leads to path traversal. The attack must be carried out locally.