Detections
Analytics

Palo Alto Networks PAN-OS 11.1.x < 11.1.16-h5 / 11.2.x < 11.2.16-h2 / 12.1.x < 12.1.10-h4 / 12.2.x < 12.2.4-h2 Vulnerability

medium Nessus Plugin ID 378908

Synopsis

The remote PAN-OS host is affected by a vulnerability

Description

The version of Palo Alto Networks PAN-OS running on the remote host is 11.1.x prior to 11.1.16-h5, 11.2.x prior to 11.2.16-h2, 12.1.x prior to 12.1.10-h4, or 12.2.x prior to 12.2.4-h2. It is, therefore, affected by a vulnerability.

 A buffer overflow vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to disrupt service processing by causing a service process crash or memory corruption.

 Panorama and Prisma Access are not affected by this vulnerability.



Tenable has extracted the preceding description block directly from the PAN-OS security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to PAN-OS 11.1.16-h5 / 11.2.16-h2 / 12.1.10-h4 / 12.2.4-h2 or later

See Also

https://security.paloaltonetworks.com/CVE-2026-0326

Plugin Details

Severity: Medium

ID: 378908

File Name: palo_alto_CVE-2026-0326.nasl

Version: 1.2

Type: Combined

Published: 11/11/2026

Updated: 11/13/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.5

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-0326

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:paloaltonetworks:pan-os

Required KB Items: Host/Palo_Alto/Firewall/Version, Host/Palo_Alto/Firewall/Full_Version, Host/Palo_Alto/Firewall/Source, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 11/11/2026

Reference Information

CVE: CVE-2026-0326

CWE: 787

IAVA: 2026-A-1296