CVE-2026-0291

Prisma Access Agent: Authenticated Limited File Deletion on Linux

An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access Agent on Linux platforms that enables a local low privileged user to delete system files in a limited scope and disable Prisma Access Agent. The Prisma Access Agent on macOS, Windows, iOS, Android, and Chrome OS is not affected.

CVSS 4.0 · 1.1 Low EPSS < 1% KEV · Not listed

Vendors

Linux Palo Alto Networks Paloaltonetworks

Products

Linux Kernel Prisma Access Agent Prisma Access Agent

CVE-2026-0294

Prisma Access Agent: Local Privilege Escalation

A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma® Access Agent app on Windows and macOS devices enables a local user to execute code with elevated privileges. The Prisma Access Agent on Linux, iOS, Android, and ChromeOS is not affected.

CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed

Vendors

Apple Microsoft Palo Alto Networks and 1 more

Products

Macos Windows Prisma Access Agent and 1 more

CVE-2026-0293

Prisma Access Agent: Anti-Tamper Protection Bypass on Windows

A vulnerability in Palo Alto Networks Prisma® Access Agent on Windows enables a local attacker with administrator privileges to bypass the anti-tamper protection, enabling unauthorized access to protected processes and files. The Prisma Access Agent on Linux, macOS, iOS, Android, and Chrome OS is not affected.

CVSS 4.0 · 5.6 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft Palo Alto Networks Paloaltonetworks

Products

Windows Prisma Access Agent Prisma Access Agent

CVE-2026-0292

Prisma Access Agent: Local Security Inspection Bypass Vulnerability on Windows

An authentication bypass vulnerability in the network driver of Palo Alto Networks Prisma® Access Agent on Windows enables a local administrator to bypass security inspection, subsequently allowing them to inject and intercept arbitrary network traffic. The Prisma Access Agent on Linux, macOS, iOS, Android, and Chrome OS is not affected.

CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed

Vendors

Microsoft Palo Alto Networks Paloaltonetworks

Products

Windows Prisma Access Agent Prisma Access Agent

CVE-2026-0288

PAN-OS: Buffer Overflow Vulnerabilities in User-ID Terminal Server Agent

Multiple buffer overflow vulnerabilities in the User-ID Terminal Server Agent (TSA) component of Palo Alto Networks PAN-OS software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic. The security risk posed by this issue is minimized when the User-ID Terminal Server Agent connectivity is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://docs.paloaltonetworks.com/ngfw/help/10-2/user-identification/device-user-identification-terminal-services-agents#:~:text=To%20minimize%20security%20risk%2C%20restrict%20TS%20Agent%20connectivity%20to%20trusted%20internal%20IP%20addresses%20only. . Panorama is not impacted by this vulnerability.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0287

PAN-OS: Denial of Service Vulnerabilities in Network Traffic Processing

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 to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Panorama is not impacted by these vulnerabilities.

CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 2 more

CVE-2026-0286

PAN-OS: Authenticated Command Injection in CLI

A command injection vulnerability in the management plane of Palo Alto Networks PAN-OS® software enables an authenticated administrator to execute arbitrary OS commands as root. The security risk posed by this issue is significantly minimized when CLI access is restricted to a limited group of administrators. This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW and Prisma Access® are not impacted by this vulnerability.

CVSS 4.0 · 6 Medium EPSS 1.7% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0285

PAN-OS: Server-Side Request Forgery Vulnerability in Management Web Interface

A server-side request forgery (SSRF) vulnerability in Palo Alto Networks PAN-OS software enables an authenticated administrator with network access to the management web interface to make unauthorized requests from the firewall to internal services. The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended  best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .  Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

CVSS 4.0 · 4.4 Medium EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0284

PAN-OS: XML Injection Vulnerability in Large Scale VPN (LSVPN)

An XML injection vulnerability in the Large Scale VPN (LSVPN) functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to inject malicious XML content, potentially leading to information disclosure or corruption of internal LSVPN satellite data. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

CVSS 4.0 · 4.7 Medium EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0283

PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)

An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

CVSS 4.0 · 4.5 Medium EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0282

PAN-OS: File Deletion Vulnerability in Management Web Interface

A file deletion vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web interface to delete files from a temporary directory. The security risk posed by this issue is minimized by restricting access to the management web interface to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW and Prisma® Access are not impacted by this vulnerability.

CVSS 4.0 · 1.2 Low EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0281

PAN-OS: Information Disclosure Vulnerability in Management Web Interface

An information disclosure vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web interface to obtain web session tokens. This requires a legitimate user to first click on a malicious link provided by the attacker. The security risk posed by this issue is minimized by restricting access to the management web interface to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW and Prisma® Access are not impacted by this vulnerability.

CVSS 4.0 · 1.7 Low EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0280

PAN-OS: IPv6 Firewall Policy Bypass

An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to bypass firewall security policy enforcement, allowing network traffic that should be blocked to reach protected services. Cloud NGFW and Panorama are not impacted by this vulnerability.

CVSS 4.0 · 1.7 Low EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Panorama and 2 more

CVE-2026-0279

PAN-OS: Multiple Cross-Site Scripting (XSS) Vulnerabilities

Multiple cross site scripting vulnerabilities in the User-ID™ Authentication Portal (aka Captive Portal) service, GlobalProtect™ gateway/portal features and Clientless VPN of Palo Alto Networks PAN-OS® software enables a malicious unauthenticated user to store or execute malicious JavaScript payload. The security risk posed by this issue is minimized when the management interface and access to the User-ID™ Authentication Portal is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW is not affected by this vulnerability.

CVSS 4.0 · 0.4 Low EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0277

Prisma Access Agent: Improper Certificate Validation on iOS

An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. The Prisma Access Agent on Windows, macOS, Linux, Android and ChromeOS are not affected.

CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed

Vendors

Apple Palo Alto Networks Paloaltonetworks

Products

Iphone Os Prisma Access Agent Prisma Access Agent

CVE-2026-0278

Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows

Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) component for Windows allow a local user to bypass DLP policy enforcement controls. The Prisma Access Agent on macOS is not affected.

CVSS 4.0 · 5.8 Medium EPSS < 1% KEV · Not listed

Vendors

Microsoft Palo Alto Networks Paloaltonetworks

Products

Windows Prisma Access Agent Prisma Access Agent

CVE-2026-0266

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

A 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 and M-Series). Cloud NGFW and Prisma® Access are not affected by this vulnerability.

CVSS 4.0 · 0.4 Low EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Prisma Access and 1 more

CVE-2026-0268

Prisma Access Agent: Local Authenticated VPN Enforcement Bypass on Linux

A security control bypass vulnerability in Prisma Access Agent for Linux allows a local attacker to route network traffic outside the VPN tunnel. This does not impact Prisma Access Agent on Windows, macOS, iOS, Android, or ChromeOS.

CVSS 4.0 · 4.4 Medium EPSS < 1% KEV · Not listed

Vendors

Linux Palo Alto Networks Paloaltonetworks

Products

Linux Kernel Prisma Access Agent Prisma Access Agent

CVE-2026-0269

PAN-OS: Denial of Service (DoS) in Tunnel Traffic Processing

A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed

Vendors

Palo Alto Networks Paloaltonetworks

Products

Cloud Ngfw Pan-os Panorama and 2 more

CVE-2026-0271

Prisma Access Agent: Local Privilege Escalation by Authorized Users

A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma Access Agent app on Linux devices enables a local user to execute code with elevated privileges. This does not impact Prisma Access Agent on Windows, macOS, iOS, Android, or ChromeOS.

CVSS 4.0 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Linux Palo Alto Networks Paloaltonetworks

Products

Linux Kernel Prisma Access Agent Prisma Access Agent