CVE-2026-12823

LOW 3.3

Browserbase Skills Autobrowse Trace Artifact default permission

CVSS Score

3.3

EPSS Score

0.1%

EPSS Percentile

2th

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.

CWE	CWE-276 CWE-266
Vendor	browserbase
Product	skills
Published	Jun 21, 2026
Last Updated	Jul 3, 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

Browserbase / Skills

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