{
    "id": "CVE-2026-0257",
    "published": "2026-05-13 19:17:01",
    "last_modified": "2026-06-17 10:10:37",
    "cvss_score": "9.1",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
    "cwe": "CWE-565",
    "description": "Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection.\n\nPanorama and Cloud NGFW are not impacted by these issues.",
    "epss_score": "0.96382",
    "epss_percentile": "0.99879",
    "kev": 1,
    "kev_due": "2026-06-01",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:42:27",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-06-01."
    },
    "products": [
        {
            "vendor": "paloaltonetworks",
            "product": "pan-os"
        },
        {
            "vendor": "paloaltonetworks",
            "product": "prisma_access"
        },
        {
            "vendor": "siemens",
            "product": "ruggedcom_ape1808"
        },
        {
            "vendor": "siemens",
            "product": "ruggedcom_ape1808_firmware"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2026-0257",
        "date_added": "2026-05-29",
        "due_date": "2026-06-01",
        "vendor": "Palo Alto Networks",
        "product": "PAN-OS",
        "name": "Palo Alto Networks PAN-OS Authentication Bypass Vulnerability",
        "ransomware": 1
    },
    "exploits": [],
    "refs_list": [
        "https://security.paloaltonetworks.com/CVE-2026-0257",
        "https://cert-portal.siemens.com/productcert/html/ssa-967325.html",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-0257"
    ]
}