CVE-2026-16196 Sipeed PicoClaw web_fetch web.go isPrivateOrRestrictedIP server-side request forgery
Remote attackers can exploit a flaw in PicoClaw's web_fetch to perform server-side request forgery, potentially accessing 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-2026-16196?
CVE-2026-16196 is a medium-severity server-side request forgery vulnerability in Sipeed PicoClaw, published on 18 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. This manipulation causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405. To fix this issue, it is recommended to deploy a patch.
Weakness: CWE-918
Which versions are affected by CVE-2026-16196?
How do I fix CVE-2026-16196?
No fix has been published for CVE-2026-16196 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-2026-16196 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16196 exists.
Sources
Also known as GHSA-vf62-q3j8-cj9g.