CVE-2026-0258: Server-Side Request Forgery (SSRF)

A server-side request forgery SSRF vulnerability in the IKEv2 implementation of Palo Alto Networks PAN-OS® software allows an unauthenticated attacker to cause the firewall to send network requests to unintended destinations or cause a denial of service DoS condition. Panorama, Cloud NGFW and...

CVE-2026-0256: Improper Neutralization of Input During Web Page Generation

A stored cross-site scripting XSS vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store a JavaScript payload using the web interface. This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama virtual an...

CVE-2026-0261: Improper Neutralization of Special Elements used in an OS Command

Multiple command injection vulnerabilities in Palo Alto Networks PAN-OS® software enable an authenticated administrator to bypass system restrictions and run arbitrary commands as a root user. To be able to exploit this issue, the user must have access to the PAN-OS CLI or Web UI. The security ri...

CVE-2026-0265: Improper Verification of Cryptographic Signature

An authentication bypass vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to bypass authentication controls when Cloud Authentication Service CAS is enabled. The risk is higher if CAS is enabled on the management interface and lower when...

CVE-2026-0263: Out-of-bounds Write

A buffer overflow vulnerability in the IKEv2 processing of Palo Alto Networks PAN-OS® software allows an unauthenticated network-based attacker to execute arbitrary code with elevated privileges on the firewall, or cause a denial of service DoS condition. Panorama, Cloud NGFW, and Prisma® Access...

CVE-2026-0257: Reliance on Cookies without Validation and Integrity Checking

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. Panorama and Cloud NGFW are not impacted by these issues...

CVE-2026-0262: Improper Check for Unusual or Exceptional Conditions

Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service DoS condition by sending specially crafted network traffic. Panorama and Cloud NGFW are not impacted by these vulnerabilities...

Palo Alto Networks PAN-OS 10.2.x / 11.1.x / 11.2.x / 12.1.x Vulnerability

The version of Palo Alto Networks PAN-OS running on the remote host is a vulnerable version of 10.2.x, 11.1.x, 11.2.x, or 12.1.x. It is, therefore, affected by a vulnerability. An authentication bypass vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker with...

Palo Alto Networks PAN-OS 10.2.x / 11.1.x / 11.2.x / 12.1.x Vulnerability

The version of Palo Alto Networks PAN-OS running on the remote host is a vulnerable version of 10.2.x, 11.1.x, 11.2.x, or 12.1.x. It is, therefore, affected by a vulnerability. Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS software allow an unauthenticated attacker with...

Palo Alto Networks PAN-OS 数据伪造问题漏洞

Palo Alto Networks PAN-OS is an operating system developed by Palo Alto Networks for its firewall devices. There is a vulnerability in Palo Alto Networks PAN-OS related to data manipulation, which stems from an authentication bypass mechanism. This vulnerability could allow unauthenticated...

CVE-2026-0264: Heap-based Buffer Overflow

A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service DoS condition all PAN-OS platforms except Cloud NGFW and Prisma Access or potentially execute arbitra...

PT-2026-40753

Name of the Vulnerable Software and Affected Versions PAN-OS affected versions not specified Description A stored cross-site scripting XSS issue in the web interface allows an authenticated administrator to store a JavaScript payload. This affects PA-Series and VM-Series firewalls, as well as...

PT-2026-40758

Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service DoS condition by sending specially crafted network traffic. Panorama and Cloud NGFW are not impacted by these vulnerabilities...

Exploit for CVE-2026-0300

PAN-OS CVE-2026-0300 Non-Destructive Exposure Survey Tool...

CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

Exploit for CVE-2026-0300

CVE-2026-0300-PANOS Security Rese...

Critical Buffer Overflow in Palo Alto Networks PAN-OS User-ID Authentication Portal (CVE-2026-0300)

Overview On May 6, 2026, Palo Alto Networks published a security advisory for CVE-2026-0300, a critical unauthenticated buffer overflow vulnerability affecting PAN-OS PA-Series and VM-Series firewall appliances. Prisma Access, Cloud NGFW, and Panorama appliances are not affected by this...

CVE-2026-0300: Out-of-bounds Write

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

The vulnerability in the web interface of the operating system PAN-OS allows a hacker to bypass security restrictions and execute arbitrary commands.

The vulnerability of the PAN-OS operating system’s web management interface is related to the lack of measures taken to neutralize the script in the web page attributes. Exploiting this vulnerability allows a malicious actor to bypass security restrictions and execute arbitrary commands...