Vulnerability · Published Sep 21, 2026 · Assigned by mitre
CVE-2026-78806
Medium 5.5
In plain English
A medium-severity information exposure in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 98.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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
Affected products (as reported)
Weakness: CWE-200 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N