KEV Entry

CVE-2026-34909

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-34909

2026-06-09 09:29 CEST

Timestamps

2026-06-09

2026-06-09

Scope

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the... | Affected: Ubiquiti / UniFi OS Server, Express, UDM, UDM-Pro, UDM-SE, UDM-Pro-Max, UDM-Beast, EFG, UDW, UDR, UDR7, UDR-5G, Express 7, UNVR, UNVR-Pro, UNVR-Instant, UNVR-G2, UNVR-G2-Pro, ENVR, ENVR-Core, UNAS-2, UNAS-4, UNAS-Pro, UNAS-Pro-4, UNAS-Pro-8, UCKP, UCK, UCK-Enterprise, UCG-Ultra, UCG-Max, UCG-Fiber, UCG-Industrial | CVSS: 10.0 (CRITICAL) | EPSS: 0.01793 | Used in malware: unknown | Listed 14 days ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-34909', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-34909'}
  • {'id': 'GHSA-95FP-244G-G3VR', 'url': 'https://github.com/advisories/GHSA-95FP-244G-G3VR'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-34909'}

730a12e2-a579-49a5-bfa0-738f38fd3bf8

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-09T07:29:00.000Z",
  "ahead_of_cisa_kev": {
    "count": 14,
    "unit": "day"
  },
  "cve_id": "CVE-2026-34909",
  "cvss_estimated": false,
  "cvss_score": 10.0,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.77611,
  "epss_score": 0.01793,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-95FP-244G-G3VR",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "UniFi OS Server, Express, UDM, UDM-Pro, UDM-SE, UDM-Pro-Max, UDM-Beast, EFG, UDW, UDR, UDR7, UDR-5G, Express 7, UNVR, UNVR-Pro, UNVR-Instant, UNVR-G2, UNVR-G2-Pro, ENVR, ENVR-Core, UNAS-2, UNAS-4, UNAS-Pro, UNAS-Pro-4, UNAS-Pro-8, UCKP, UCK, UCK-Enterprise, UCG-Ultra, UCG-Max, UCG-Fiber, UCG-Industrial",
  "title": "A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the...",
  "used_in_malware": "unknown",
  "vendor": "Ubiquiti",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-34909"
}
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