Vulnerability · Published Aug 9, 2026 · Assigned by VulDB

CVE-2026-19330angrysky56 advanced-reasoning-mcp index.ts switch_memory_library path traversal

Medium 5.3

In plain English

A medium-severity path traversal in advanced-reasoning-mcp from angrysky56. 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 vulnerability was determined in angrysky56 advanced-reasoning-mcp 1.0.0. The impacted element is the function create_system_json/create_library to get_system_json/switch_memory_library of the file src/index.ts. This manipulation causes path traversal. The attack requires local access. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
angrysky56	advanced-reasoning-mcp	1.0.0

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-387164 | angrysky56 advanced-reasoning-mcp index.ts switch_memory_library path traversal vdb-entry, technical-description
VDB-387164 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-19330 | CVE Analysis and Report third-party-advisory
Submit #865248 | angrysky56 advanced-reasoning-mcp unknown Path Traversal third-party-advisory
https://github.com/angrysky56/advanced-reasoning-mcp/issues/3 issue-tracking
https://github.com/angrysky56/advanced-reasoning-mcp/ product