CVE-2026-0288
HIGHAttack Surface
CVSS Vector Breakdown
Description
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.
Weakness Classification (1)
Affected Software (6)
| Vendor | Product | Version |
|---|---|---|
| Palo Alto Networks | PAN-OS | 12.1.0 < 12.1.8 |
| Palo Alto Networks | PAN-OS | 11.2.0 < 11.2.13 |
| Palo Alto Networks | PAN-OS | 11.1.0 < 11.1.16 |
| Palo Alto Networks | PAN-OS | 10.2.0 < 10.2.7-h36 |
| Palo Alto Networks | Prisma Access | 11.2.0 < 11.2.7-h18 |
| Palo Alto Networks | Prisma Access | 10.2.0 < 10.2.10-h39 |