CVE-2026-12823: A security flaw has been discovered in Browserbase up
CVE-2026-12823 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-12823 is a vulnerability published by NVD on 6/22/2026.
What happened
A security flaw has been discovered in Browserbase 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 vendor was contacted early about this disclosure but did not respond in any way.
Affected products and versions
- NVD has not published a normalized affected-product configuration yet.
Severity and weakness
CVSS: LOW 3.3. Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Weaknesses: CWE-266, CWE-276.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.
Official and supporting references
- No vendor advisory tagged by NVD at draft time.