CVE-2026-12823 MEDIUM

CVE-2026-12823: Browserbase Skills Autobrowse Trace Artifact default permission

Vendor Browserbase
Product Skills
Weakness CWE-276
Published June 21, 2026
Last update July 3, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 21, 2026 CVE published
July 3, 2026 Record updated