Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Pan-Os | >= 10.2.0, < 10.2.7 |
Related Weaknesses (CWE)
References
- https://security.paloaltonetworks.com/Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-104023.html
FAQ
What is CVE-2026-0288?
CVE-2026-0288 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 den...
How severe is CVE-2026-0288?
CVE-2026-0288 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-0288?
Check the references section above for vendor advisories and patch information. Affected products include: Paloaltonetworks Pan-Os.