PAN-OS GlobalProtect Authentication Bypass (CVE-2026-0257) Under Active Exploitation

Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-0257 CVSS score: 7.8, refers to a case of authentication bypass that could be exploited b...

PAN-OS - Reflected Cross-Site Scripting

A reflected cross-site scripting XSS vulnerability in the GlobalProtect™ gateway and portal features of Palo Alto Networks PAN-OS® software enables execution of malicious JavaScript in the context of an authenticated Captive Portal user's browser when they click on a specially crafted link.The...

Rapid7 Observed Exploitation of PAN-OS GlobalProtect Authentication Bypass Vulnerability (CVE-2026-0257)

Overview On May 13, 2026, Palo Alto Networks published a security advisory for CVE-2026-0257, a medium severity authentication bypass affecting PAN-OS and Prisma Access when a specific configuration is present. Successful exploitation of this vulnerability allows a remote unauthenticated attacker...

Exploit for Out-of-bounds Write in Paloaltonetworks Pan-Os

CVE-2026-0300 — Palo Alto Networks PAN-OS BOF RCE root...

EUVD-2026-30104

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-2026-0256 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-2026-0257 PAN-OS: GlobalProtect Authentication Bypass Vulnerabilities

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-2026-0258 PAN-OS: Server-Side Request Forgery (SSRF) in IKEv2 Certificate URL Fetching

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-2026-0258

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-2026-0261 PAN-OS: Authenticated Admin Command Injection Vulnerability

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-2026-0262

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...

CVE-2026-0263 PAN-OS: Remote Code Execution (RCE) in IKEv2 Processing

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-2026-0265

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...

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...

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...

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...

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...

Exploit for Improper Neutralization of Script in Attributes in a Web Page in Paloaltonetworks Pan-Os

CVE-2025-4615 — Technical Analysis & Proof of Concept Vulne...

Siemens APE1808 Improper Neutralization of Input During Web Page Generation (CVE-2025-0133)

A reflected cross-site scripting XSS vulnerability in the GlobalProtect gateway and portal features of Palo Alto Networks PAN-OS software enables execution of malicious JavaScript in the context of an authenticated Captive Portal user's browser when they click on a specially crafted link. The...