{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8676", "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "state": "PUBLISHED", "assignerShortName": "Silabs", "dateReserved": "2026-05-15T13:12:50.026Z", "datePublished": "2026-05-26T19:36:53.947Z", "dateUpdated": "2026-05-26T20:47:58.785Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "shortName": "Silabs", "dateUpdated": "2026-05-26T19:36:53.947Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-290", "description": "CWE-290 Authentication bypass by spoofing", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-114", "descriptions": [{"lang": "en", "value": "CAPEC-114 Authentication Abuse"}]}], "affected": [{"vendor": "silabs.com", "product": "Simplicity SDK", "packageName": "Bluetooth LE SDK", "versions": [{"status": "affected", "version": "0", "lessThan": "2024.12.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond."}]}], "references": [{"url": "https://community.silabs.com/068Vm00000p3N9C", "tags": ["vendor-advisory"]}, {"url": "https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf", "tags": ["release-notes"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-26T20:47:10.839195Z", "id": "CVE-2026-8676", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T20:47:58.785Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-8676", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-26T20:47:10.839195Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-26T20:47:55.786Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-114", "descriptions": [{"lang": "en", "value": "CAPEC-114 Authentication Abuse"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "silabs.com", "product": "Simplicity SDK", "versions": [{"status": "affected", "version": "0", "lessThan": "2024.12.0", "versionType": "semver"}], "packageName": "Bluetooth LE SDK", "defaultStatus": "unaffected"}], "references": [{"url": "https://community.silabs.com/068Vm00000p3N9C", "tags": ["vendor-advisory"]}, {"url": "https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf", "tags": ["release-notes"]}], "x_generator": {"engine": "Vulnogram 1.0.2"}, "descriptions": [{"lang": "en", "value": "An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.", "supportingMedia": [{"type": "text/html", "value": "An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-290", "description": "CWE-290 Authentication bypass by spoofing"}]}], "providerMetadata": {"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "shortName": "Silabs", "dateUpdated": "2026-05-26T19:36:53.947Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8676", "state": "PUBLISHED", "dateUpdated": "2026-05-26T20:47:58.785Z", "dateReserved": "2026-05-15T13:12:50.026Z", "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "datePublished": "2026-05-26T19:36:53.947Z", "assignerShortName": "Silabs"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond."}], "id": "CVE-2026-8676", "lastModified": "2026-05-27T14:54:20.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "product-security@silabs.com", "type": "Secondary"}]}, "published": "2026-05-26T21:16:44.630", "references": [{"source": "product-security@silabs.com", "url": "https://community.silabs.com/068Vm00000p3N9C"}, {"source": "product-security@silabs.com", "url": "https://www.silabs.com/documents/public/release-notes/bt-software-release-notes-9.0.0.0.pdf"}], "sourceIdentifier": "product-security@silabs.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "product-security@silabs.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2024.12.0)"}}], "enrichment": {"confidence": 91.0, "confidence_source": "matching", "scores": [{"score": 91.0, "source": "matching"}]}, "original": {"product": "Simplicity SDK", "source": "cna", "vendor": "silabs.com"}, "product": "simplicity_sdk", "vendor": "silabs"}], "created": "2026-05-26T21:30:16.446286+00:00", "title": "Bluetooth LE Bonding Downgrade via Spoofing", "updated": "2026-05-27T09:15:29.787601+00:00", "vendors": ["silabs", "silabs$PRODUCT$simplicity_sdk"]}