cve-2026-0257

{
  "cvss": 0.0,
  "datePublished": "2026-05-29",
  "dateUpdated": "2026-05-29",
  "description": "Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.",
  "dueDate": "2026-06-01",
  "id": "CVE-2026-0257",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Known",
  "notes": "https://security.paloaltonetworks.com/CVE-2026-0257 ; https://nvd.nist.gov/vuln/detail/CVE-2026-0257",
  "product": "PAN-OS",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "severity": "CRITICAL",
  "source": "cisa_known_exploited",
  "title": "Palo Alto Networks PAN-OS Authentication Bypass Vulnerability",
  "vendor": "Palo Alto Networks"
}