CVE-2026-4192 AvinashBole quip-mcp-server index.ts setupToolHandlers command injection
Remote attackers can execute arbitrary commands via the setupToolHandlers function in the quip-mcp-server library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4192?
CVE-2026-4192 is a medium-severity command injection vulnerability in AvinashBole quip-mcp-server, published on 15 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in AvinashBole quip-mcp-server 1.0.0. Affected by this vulnerability is the function setupToolHandlers of the file src/index.ts. Such manipulation leads to command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-4192?
How do I fix CVE-2026-4192?
No fix has been published for CVE-2026-4192 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-4192 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4192 exists.
Sources
Also known as GHSA-9qhq-fw53-5rfx.