CVE-2026-16120 nextlevelbuilder GoClaw exec_approval.go extractBin name resolution
Remote attackers can exploit name resolution flaws in GoClaw's exec approval logic to execute arbitrary commands.
- 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-2026-16120?
CVE-2026-16120 is a medium-severity command injection vulnerability in nextlevelbuilder GoClaw, published on 18 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in nextlevelbuilder GoClaw up to 3.13.3-beta.3. This impacts the function matchesAllowlist/extractBin of the file internal/tools/exec_approval.go. Executing a manipulation can lead to incorrectly-resolved name. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Weakness: CWE-706
Which versions are affected by CVE-2026-16120?
How do I fix CVE-2026-16120?
No fix has been published for CVE-2026-16120 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-2026-16120 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16120 exists.
Sources
Also known as GHSA-rqq5-x99m-3pj6.