{"id":"CVE-2026-78806","title":"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","summary":"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","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-200"],"published":"2026-09-21","updated":"2026-09-24","sourceUpdated":"2026-09-24T14:18:17.497","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78806","references":[{"url":"https://csa-iot.org/developer-resource/specifications-download-request/","label":"cve@mitre.org"},{"url":"https://github.com/Anonymous241429/Matter","label":"cve@mitre.org"},{"url":"https://github.com/project-chip/connectedhomeip/","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00109,"epssPercentile":0.0112,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-24T13:11:41.204650Z"},"ingestedAt":"2026-09-21T21:53:57.428Z","slug":"CVE-2026-78806","body":"## Overview\n\nAn 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210154,"id":"CVE-2026-78806","ts":1790257450673,"field":"cvss","old":null,"new":"5.5"},{"seq":210153,"id":"CVE-2026-78806","ts":1790257450673,"field":"severity","old":"none","new":"medium"}]}