CVE-2026-16085 Sipeed PicoClaw context.go NewContextBuilder inclusion of functionality from untrusted control sphere
Local attackers can inject malicious code via the NewContextBuilder function in the Sipeed PicoClaw library, leading to arbitrary code execution.
- 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-2026-16085?
CVE-2026-16085 is a medium-severity code injection vulnerability in Sipeed PicoClaw, published on 18 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. Affected is the function NewContextBuilder of the file pkg/agent/context.go. Such manipulation leads to inclusion of functionality from untrusted control sphere. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The reported GitHub issue was closed automatically with the label "not planned" by a bot.
Weakness: CWE-829
Which versions are affected by CVE-2026-16085?
How do I fix CVE-2026-16085?
No fix has been published for CVE-2026-16085 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-16085 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16085 exists.
Sources
Also known as GHSA-jj5m-mcrf-wh9m.