How severe is CVE-2026-12823?

CVE-2026-12823 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-12823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12823?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-12823 have an EU (EUVD) identifier?

Yes. CVE-2026-12823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38204.

When was CVE-2026-12823 published?

CVE-2026-12823 was published on 2026-06-22 and last updated on 2026-07-03.

CVE-2026-12823

CVE-2026-12823 is a low-severity vulnerability with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38204
Weakness: CWE-266
Published: 2026-06-22
Last modified: 2026-07-03

Description

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.

Frequently asked questions

What is CVE-2026-12823?: 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.
How severe is CVE-2026-12823?: CVE-2026-12823 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-12823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12823 have an EU (EUVD) identifier?: Yes. CVE-2026-12823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38204.
When was CVE-2026-12823 published?: CVE-2026-12823 was published on 2026-06-22 and last updated on 2026-07-03.

References

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