CVE-2026-78806 Information disclosure in n/a

Medium 5.5 Published Updated

A local attacker can obtain sensitive information via the PerformCommissioningStep function in the Matter ChipDeviceController component.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-78806?

CVE-2026-78806 is a medium-severity vulnerability in n/a, published on 21 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue in Matter Standard Specification-Implementation gap v1.5.1 Matter Project Chip V1.5.1 allows a local attacker to obtain sensitive information via the PerformCommissioningStep function in the ChipDeviceController.cpp component

Weakness: CWE-200

Which versions are affected by CVE-2026-78806?

How do I fix CVE-2026-78806?

No fix has been published for CVE-2026-78806 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-78806 being exploited?

There is no known exploitation of CVE-2026-78806 in the wild and no public exploit code.

Sources

Also known as GHSA-3pf9-j92f-87wx.

Is CVE-2026-78806 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free