CVE-2026-12823CWE-266CWE-276

Browserbase Skills Autobrowse Trace Artifact default permission

Medium · published June 21, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
4.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00160 · 4.9th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-276 · Incorrect Default Permissions
Published
2026-06-21T23:45Z
EPSS history
Timeline
  • 21 JUN 23:45Z
    Browserbase Skills Autobrowse Trace Artifact default permission
    cvelistv5