Vulnerability · Published Oct 14, 2026 · Assigned by palo_alto
CVE-2026-0319PAN-OS: Improper Input Handling Vulnerability
Medium 4.9
In plain English
A medium-severity security flaw in Cloud NGFW from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 4.0)4.9Medium
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An improper input handling vulnerability in the GlobalProtect™ gateway of Palo Alto Networks PAN-OS software enables an authenticated user to establish a GlobalProtect session using the identity of another user. Cloud NGFW and Panorama are not affected by this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Palo Alto Networks | Cloud NGFW | see references |
| Palo Alto Networks | PAN-OS | 12.2.0 – before 12.2.412.1.0 – before 12.1.10-h211.2.0 – before 11.2.1611.1.0 – before 11.1.16-h310.2.0 – before 10.2.18-h12 |
| Palo Alto Networks | Prisma Access | 12.1.0 – before 12.1.7-h811.2.0 – before 11.2.7-h2110.2.0 – before 10.2.10-h41 |
Weakness: CWE-754 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
References
- PAN-OS Security Advisory vendor-advisory