Vulnerability · Published Aug 8, 2026 · Assigned by VulDB

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

Medium 5.3

In plain English

A medium-severity path traversal in mcp-ui-probe from Hulupeep. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 90.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Hulupeep	mcp-ui-probe	0.10.2.0

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-387013 | Hulupeep mcp-ui-probe Journey/Usage JourneyStorage.ts usage_stats path traversal vdb-entry, technical-description
VDB-387013 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-19270 | CVE Analysis and Report third-party-advisory
Submit #865223 | Hulupeep mcp-ui-probe mcp-ui-probe Path Traversal third-party-advisory
https://github.com/Hulupeep/mcp-ui-probe/issues/1 issue-tracking
https://github.com/Hulupeep/mcp-ui-probe/ product