CVE-2026-12823

LOW 3.3

Browserbase Autobrowse Trace Artifact default permission

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-276 CWE-266
Vendor	n/a
Product	browserbase
Published	Jun 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Browserbase

20260526

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/372613 vuldb.com: https://vuldb.com/vuln/372613/cti vuldb.com: https://vuldb.com/cve/CVE-2026-12823 vuldb.com: https://vuldb.com/submit/837600 github.com: https://github.com/NARKHEDE-VAIBHAV/poc/blob/main/CVE-2026-12823%20-%20Browserbase%20Skills%20Autobrowse%20Trace%20Artifact%20Insecure%20File%20Permissions/Advisory.md github.com: https://github.com/NARKHEDE-VAIBHAV/poc/blob/main/CVE-2026-12823%20-%20Browserbase%20Skills%20Autobrowse%20Trace%20Artifact%20Insecure%20File%20Permissions/poc.sh

Credits

🔍 vaibhavnarkhede (VulDB User) vaibhavnarkhede (VulDB User) VulDB CNA Team