CVE-2026-19330 angrysky56 advanced-reasoning-mcp index.ts switch_memory_library path traversal
Local attackers can exploit path traversal in the memory library switching function to read or modify arbitrary files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19330?
CVE-2026-19330 is a medium-severity path traversal vulnerability in angrysky56 advanced-reasoning-mcp, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-19330?
How do I fix CVE-2026-19330?
No fix has been published for CVE-2026-19330 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-19330 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19330 exists.
Sources
Also known as GHSA-rgqf-fgw4-cmhv.