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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.57%
Common Weakness Enumeration
References
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