CVE-2026-12823 Browserbase Skills Autobrowse Trace Artifact default permission
Local attackers can exploit incorrect default permissions in the Autobrowse Trace Artifact Handler to escalate privileges within the Browserbase Skills library.
- 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-2026-12823?
CVE-2026-12823 is a medium-severity vulnerability in Browserbase Skills, published on 21 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in Browserbase Skills up to 20260526. This impacts an unknown function of the component Autobrowse Trace Artifact Handler. The manipulation results in incorrect default permissions. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The first version of the CVE listed Browserbase itself as affected product. This was incorrect as this issue does affect browserbase/skills instead. The vendor was contacted early about this disclosure.
Which versions are affected by CVE-2026-12823?
How do I fix CVE-2026-12823?
No fix has been published for CVE-2026-12823 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-12823 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12823 exists.
Sources
Also known as GHSA-vxfm-r32r-fgx3.