Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability

CVE-2026-0300 Unknown In-The-Wild Exploited
Beranda Advisories CVE-2026-0300

Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026
Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal (aka Captive Portal) service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Until the vendor releases an official fix, the following workaround should be implemented: - Restrict User-ID Authentication Portal access to only trusted zones. - Disable User-ID Authentication Portal if not required. 5/13/2026: Palo Alto has released a variety of patches. If these are relevant to your environment, please apply the designated patch.

Seluruh pengelola server dan aplikasi di lingkungan OPD Kabupaten Ciamis diimbau untuk segera mengaudit perangkat terdampak dan mengaplikasikan patch sebelum batas waktu mitigasi.

Produk & Versi Terdampak

Produk Versi Basis Batas Terdampak Status Keamanan
Cloud NGFW All — UNAFFECTED
PAN-OS 12.1.0 12.1.7 AFFECTED
PAN-OS 11.2.0 11.2.12 AFFECTED
PAN-OS 11.1.0 11.1.15 AFFECTED
PAN-OS 10.2.0 10.2.18-h6 AFFECTED
Prisma Access All — UNAFFECTED

Threat Intelligence Matrix

CVE Identifier
CVE-2026-0300
Vendor / Project Palo Alto Networks
Produk Terdampak PAN-OS
Skor CVSS
N/A / 10.0
Status Eksploitasi AKTIF (In-The-Wild)
Kampanye Ransomware Tidak Diketahui
Automatable (Wormable) Unknown
Dampak Teknis Total
Sumber Intelijen CISA KEV

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