CVE-2026-5619 Braffolk mcp-summarization-functions summarize_command mcp-server.ts os command injection
Local attackers can execute arbitrary OS commands via the summarize_command argument in the mcp-summarization-functions library.
- 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-2026-5619?
CVE-2026-5619 is a medium-severity command injection vulnerability in Braffolk mcp-summarization-functions, published on 6 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in Braffolk mcp-summarization-functions up to 0.1.5. This impacts an unknown function of the file src/server/mcp-server.ts of the component summarize_command. Executing a manipulation of the argument command can lead to os command injection. The attack requires local access. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-5619?
How do I fix CVE-2026-5619?
No fix has been published for CVE-2026-5619 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-2026-5619 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5619 exists.
Sources
Also known as GHSA-hpq9-6qf2-m9fm.