CVE-2026-0265: Authentication Bypass in Palo Alto Networks PAN-OS

Overview On May 13, 2026, Palo Alto Networks published a security advisory for CVE-2026-0265, a signature verification vulnerability that facilitates authentication bypass on PAN-OS, the operating system that most Palo Alto Networks firewalls run. This vulnerability allows a remote unauthenticate...

EUVD-2026-30107

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-2026-0261

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-2026-0256

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...

EUVD-2026-30065

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...

CVE-2026-0256 PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface

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-2026-0256 PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface

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-2026-0256

CVE-2026-0256 describes a stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS software that allows a malicious authenticated administrator to store a JavaScript payload via the web interface. Affected products include PAN-OS on PA-Series and VM-Series firewalls and Panora...

CVE-2026-0256

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-2026-0265

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-2026-0261

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-2026-0264

CVE-2026-0264 describes a heap-based buffer overflow in Palo Alto Networks PAN-OS DNS proxy and DNS Server features. An unauthenticated attacker with network access can cause a DoS on all PAN-OS platforms (except Panorama, Cloud NGFW, Prisma Access) and potentially achieve arbitrary code executio...

CVE-2026-0264

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...

CVE-2026-0265 PAN-OS: Authentication Bypass with Cloud Authentication Service (CAS) enabled

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-2026-0265

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-2026-0265 PAN-OS: Authentication Bypass with Cloud Authentication Service (CAS) enabled

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-2026-0265

PAN-OS contains an authentication bypass vulnerability (CVE-2026-0265) when Cloud Authentication Service (CAS) is enabled. An unauthenticated attacker with network access can bypass authentication controls on affected PAN-OS platforms, including PA-Series/VM-Series firewalls and Panorama (virtual...

Palo Alto Networks PAN-OS 操作系统命令注入漏洞

Palo Alto Networks PAN-OS is an operating system developed by Palo Alto Networks for its firewall devices. There is a vulnerability in PAN-OS related to command injection. This vulnerability stems from multiple command injections, which may allow authenticated administrators to bypass system...

PT-2026-40713

Name of the Vulnerable Software and Affected Versions PAN-OS affected versions not specified Description An authentication bypass exists in the Cloud Authentication Service CAS component of PAN-OS due to incorrect cryptographic signature verification. This allows 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. An authentication bypass vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker with...