{"schema":"threatline.record/2","record":{"id":"CVE-2026-66279","aliases":[],"summary":"Dis-connect vulnerability in Connect Stack","details":"In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.","categories":["Unclassified"],"product":"Connect SDK","vendor":"Silicon Labs","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-66279","source_modified_at":"2026-10-23T10:56:10.379Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Connect SDK","vendor":"Silicon Labs","versions":[{"status":"affected","version":"4.0.0","lessThanOrEqual":"4.3.1","versionType":"semver"},{"status":"affected","version":"0","lessThanOrEqual":"3.7.7","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.2,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00245,"percentile":0.14898,"score_date":"2026-10-23"},"published_at":"2026-10-22T13:41:03.391Z","modified_at":"2026-10-23T10:56:10.379Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-66279","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T10:56:10.379Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-66279","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000588.md","tags":["vendor-advisory","permissions-required"]},{"source":"CVE List","url":"https://github.com/SiliconLabsSoftware/sisdk-release/","tags":["patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-23T10:49:30.602900Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-23T10:56:10.379Z","content_hash":"cde62308f69bf751b8a4e17ad49b3452ac3c1b4e496a23094b41025a6c25ad15"}}