CVE-2026-19270: Hulupeep mcp-ui-probe Journey/Usage JourneyStorage.ts usage_stats path traversal

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-08 · updated 2026-10-23
Weakness: CWE-22

Description

A security flaw has been discovered in Hulupeep mcp-ui-probe up to 0.2.0. Affected is the function get_journey/delete_journey/analyze_journey/usage_stats of the file src/journey/JourneyStorage.ts of the component Journey/Usage. The manipulation of the argument journeyId/filename results in path traversal. The attack requires a local approach. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

Hulupeep mcp-ui-probe: 0.1, 0.2.0

References

https://github.com/Hulupeep/mcp-ui-probe/
https://github.com/Hulupeep/mcp-ui-probe/issues/1
https://vuldb.com/cve/CVE-2026-19270
https://vuldb.com/submit/865223
https://vuldb.com/vuln/387013
https://vuldb.com/vuln/387013/cti
https://github.com/Hulupeep/mcp-ui-probe/issues/1

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