CVE-2026-19338

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.1 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/automateyournetwork/MCPyATS/
https://github.com/automateyournetwork/MCPyATS/issues/22
https://vuldb.com/cve/CVE-2026-19338
https://vuldb.com/submit/865262
https://vuldb.com/vuln/387174
https://vuldb.com/vuln/387174/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-09 07:17

Updated : 2026-08-12 20:59

NVD link : CVE-2026-19338

Mitre link : CVE-2026-19338

CVE.ORG link : CVE-2026-19338

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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