PT-2026-56575 · Palo Alto Networks · Pan-Os

Liang Zhu · Published 2026-07-08 · Updated 2026-07-08 · CVE-2026-0288

Positive Technologies (AI Summary)

CVSS v4.0

7.2

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Red

Name of the Vulnerable Software and Affected Versions PAN-OS (affected versions not specified)

Description Multiple buffer overflow vulnerabilities in the User-ID Terminal Server Agent (TSA) component 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. Restrict User-ID Terminal Server Agent connectivity to trusted internal IP addresses only.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-0288

Affected Products

Pan-Os

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-0288 · Security Note
• https://security.paloaltonetworks.com/CVE-2026-0288 · Vendor Advisory
• https://twitter.com/KaitanSecurity/status/2074969279137521811 · Twitter Post