{"cve":{"cve_id":"CVE-2026-17191","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.02826,"epss_percentile":0.85552,"epss_as_of":"2026-08-26","description":"An input validation vulnerability exists in an API component of the orchestrator. An authenticated user can exploit this flaw to manipulate backend queries, which may result in unauthorized access to data beyond their intended privileges and cause the underlying system to initiate unintended outbound network connections.\n\n\n\n\nThis issue was discovered internally by Arista and the company is not aware of any malicious uses of this issue in customer networks.","published_at":"2026-07-27T16:41:17.436000Z","last_modified_at":"2026-07-30T19:10:52.250000Z","cvss_v3_score":9.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","cvss_v3_severity":"CRITICAL","cvss_v4_score":8.5,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L/S:P","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-89"],"nvd_references":["https://www.arista.com/en/support/advisories-notices/security-advisory/24365-security-advisory-0145"],"vuln_status":"Awaiting Analysis","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-07-27T19:04:23.263756Z","updated_at":"2026-08-02T08:21:14.422461Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"H","value_label":"High"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"L","value_label":"Low"},{"metric":"SA","name":"Availability (Subsequent System)","value":"L","value_label":"Low"},{"metric":"S","name":"Scope","value":"P","value_label":"Physical"}]},"affected":[{"vendor_slug":"arista-networks","vendor_name":"Arista Networks","product_slug":"velocloud-orchestrator-on-prem","product_name":"VeloCloud Orchestrator On-Prem","version_start":"5.2.0","version_start_inclusive":true,"version_end":"5.2.3.14","version_end_inclusive":false,"cpe23_uri":"cve5:arista-networks:velocloud-orchestrator-on-prem:5.2.0:5.2.3.14"},{"vendor_slug":"arista-networks","vendor_name":"Arista Networks","product_slug":"velocloud-orchestrator-on-prem","product_name":"VeloCloud Orchestrator On-Prem","version_start":"6.1.0","version_start_inclusive":true,"version_end":"6.1.3.4","version_end_inclusive":false,"cpe23_uri":"cve5:arista-networks:velocloud-orchestrator-on-prem:6.1.0:6.1.3.4"},{"vendor_slug":"arista-networks","vendor_name":"Arista Networks","product_slug":"velocloud-orchestrator-on-prem","product_name":"VeloCloud Orchestrator On-Prem","version_start":"6.4.0","version_start_inclusive":true,"version_end":"6.4.2.4","version_end_inclusive":false,"cpe23_uri":"cve5:arista-networks:velocloud-orchestrator-on-prem:6.4.0:6.4.2.4"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/24365-security-advisory-0145","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-07-27T16:41:17.436000Z","label":"CVE published","source":null}]}