{"schema":"threatline.record/2","record":{"id":"CVE-2026-16812","aliases":[],"summary":"Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerability","details":"Arista VeloCloud Orchestrator On-Prem contains an OS command injection vulnerability that may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator.","categories":["Network & edge"],"product":"VeloCloud Orchestrator","vendor":"Arista","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-16812","source_modified_at":"2026-07-28T03:56:40.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"VeloCloud Orchestrator On-Prem","vendor":"Arista Networks","versions":[{"lessThan":"5.2.3.14","status":"affected","version":"5.2.0","versionType":"custom"},{"lessThan":"6.1.3.4","status":"affected","version":"6.1.0","versionType":"custom"},{"lessThan":"6.4.2.4","status":"affected","version":"6.4.0","versionType":"custom"},{"lessThan":"7.0.0.1","status":"affected","version":"7.0.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-16812","source_modified_at":"2026-07-28T03:56:40.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"VeloCloud Orchestrator On-Prem","ecosystem":null},"version":"5.2.3.14","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-16812","source_modified_at":"2026-07-28T03:56:40.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"VeloCloud Orchestrator On-Prem","ecosystem":null},"version":"6.1.3.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-16812","source_modified_at":"2026-07-28T03:56:40.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"VeloCloud Orchestrator On-Prem","ecosystem":null},"version":"6.4.2.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-16812","source_modified_at":"2026-07-28T03:56:40.567Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"VeloCloud Orchestrator On-Prem","ecosystem":null},"version":"7.0.0.1","basis":"first unaffected version stated in the CVE record"}],"cvss":10,"severity":"Critical","kev":{"listed":true,"date_added":"2026-07-27","due_date":"2026-07-30","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","ransomware_campaign_use":"Unknown","forensic_triage":true},"epss":{"probability":0.01001,"percentile":0.62514,"score_date":"2026-10-23"},"published_at":"2026-07-27T16:11:00.968Z","modified_at":"2026-07-28T03:56:40.567Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-16812","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-07-28T03:56:40.567Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-16812","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16812","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-16812","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2026-07-27T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-07-28T03:56:40.567Z","content_hash":"b0d285566dbcc4c95c8e7293ece750574902efaeeb6aec99be3373721e6dc4d1"}}