CVE-2026-16124 nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery
Remote attackers can exploit a server-side request forgery flaw in GoClaw's web_fetch tool to access internal resources.
- 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-2026-16124?
CVE-2026-16124 is a medium-severity server-side request forgery 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 security vulnerability has been detected in nextlevelbuilder GoClaw up to 3.15.0-beta.32. This affects the function CheckSSRF/isPrivateIP of the file internal/tools/web_shared.go of the component web_fetch. Such manipulation leads to server-side request forgery. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.15.0-beta.33 is able to mitigate this issue. The name of the patch is 12a0168271827650ddb0026d6277fbadf3dcf3ea. Upgrading the affected component is recommended.
Weakness: CWE-918
Which versions are affected by CVE-2026-16124?
How do I fix CVE-2026-16124?
No fix has been published for CVE-2026-16124 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-16124 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16124 exists.
Sources
Also known as GHSA-ggmr-9v2r-pqw6.