TI-2026-15773 Aliases CVE-2026-19338 GHSA-q9qj-38cq-3792

automateyournetwork MCPyATS generate_mermaid_markdown index.ts processGenerateRequest path traversal

LOW 21CWE-22Published 2026-08-09 · Updated 2026-08-10

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00172 6th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
automateyournetwork	MCPyATS	0.1.0; 0.1.1; 0.1.2; 0.1.3; 0.1.4	—	No fix listed	CNA

MCPyATS Vendorautomateyournetwork Affected 0.1.0; 0.1.1; 0.1.2; 0.1.3; 0.1.4 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:automateyournetwork:mcpyats::::::::	—	—	automateyournetwork

cpe:2.3:a:automateyournetwork:mcpyats:*:*:*:*:*:*:*:* Versions — — ·automateyournetwork

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-19338
2026-10-03 Alias added: GHSA-q9qj-38cq-3792

References

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences