CVE-2026-19338

medium

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.

References

https://vuldb.com/vuln/387174/cti

https://vuldb.com/vuln/387174

https://vuldb.com/submit/865262

https://vuldb.com/cve/CVE-2026-19338

https://github.com/automateyournetwork/MCPyATS/issues/22

https://github.com/automateyournetwork/MCPyATS/

Details

Source: Mitre, NVD

Published: 2026-08-09

Updated: 2026-08-09

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00138