CVE-2026-90617 GH05TCREW PentestAgent MCP HTTP Server main.py run_task os command injection
Remote attackers can execute arbitrary OS commands via the run_task function in the PentestAgent MCP HTTP Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90617?
CVE-2026-90617 is a medium-severity command injection vulnerability in GH05TCREW PentestAgent, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This vulnerability affects the function run_task of the file interface/main.py of the component MCP HTTP Server. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-90617?
How do I fix CVE-2026-90617?
No fix has been published for CVE-2026-90617 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-2026-90617 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90617 exists.
Sources
Also known as GHSA-39h8-3q4c-rpwp.