CVE-2026-16119 nextlevelbuilder GoClaw WebSocket Approval Endpoint exec_approval.go RequestApproval authorization

Medium 5.3 Published Updated

Remote attackers can bypass authorization in the WebSocket Approval Endpoint to execute arbitrary commands, requiring an upgrade to GoClaw.

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-2026-16119?

CVE-2026-16119 is a medium-severity missing authorization 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 found in nextlevelbuilder GoClaw up to 3.13.2. This affects the function RequestApproval of the file internal/tools/exec_approval.go of the component WebSocket Approval Endpoint. Performing a manipulation results in incorrect authorization. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Weakness: CWE-863, CWE-285

Which versions are affected by CVE-2026-16119?

How do I fix CVE-2026-16119?

No fix has been published for CVE-2026-16119 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-16119 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16119 exists.

Sources

Also known as GHSA-jx43-52cp-c9vc.

Is CVE-2026-16119 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free