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...

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...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-0257link is external Palo Alto Networks PAN-OS Authentication Bypass Vulnerability This type of vulnerability is a frequent attack vectors for malicious cybe...

The vulnerability of the IKEv2 protocol implementation in the PAN-OS operating system allows a perpetrator to escalate their privileges, execute arbitrary code, or cause a service failure.

The vulnerability of the IKEv2 protocol implementation in the PAN-OS operating system is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability can allow a malicious actor to enhance their privileges, execute arbitrary code, or cause service failures...

The vulnerability of the DNS proxy server of the PAN-OS operating system allows a perpetrator to cause a service failure or execute arbitrary code.

The vulnerability of the DNS proxy server of the PAN-OS operating system is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability can allow a remote attacker to cause service failures or execute arbitrary code...

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

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

PAN-OS GlobalProtect CAS CVE-2026-0265 Vulnerability Checker

This module checks a PAN-OS GlobalProtect portal for CVE-2026-0265 using the Bishop Fox scanner decision flow. It performs anonymous GET requests to the GlobalProtect prelogin endpoint, retrying transient failures and HTTP 503 responses, then checks whether CAS authentication is enabled, decodes...

Exploit for CVE-2026-0265

CVE-2026-0265 Passive Detector v2 Defensive reconnaissanc...

The vulnerability of the PAN-OS operating system, related to the incorrect checking for unusual or exceptional conditions, allows a perpetrator to trigger a service failure.

The vulnerability of the PAN-OS operating system is related to improper checking for unusual or exceptional conditions. Exploiting this vulnerability can allow a remote attacker to cause service failures...

The vulnerability in the web interface of the operating system PAN-OS for Ethernet interfaces of the PA-Series and VM-Series series allows attackers to carry out cross-site scripting attacks.

The vulnerability of the PAN-OS operating system’s web interfaces for PA-Series and VM-Series series network interfaces is related to the lack of measures taken to protect the structure of the web pages. Exploiting this vulnerability allows a remote attacker to perform cross-site scripting attack...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS through the @html svg rendering path in the SVGPanZoom.svelte common component. An attacker can execute an arbitrary script in the browser by supplying a crafted SVG payload that is...

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: 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-2026-30104

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-2026-0256 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-2026-0263

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 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

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...