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CVE-2026-0269

PAN-OS: Denial of Service (DoS) in Tunnel Traffic Processing

Published: Jun 10, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-754
5.7MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 86.9%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-754

Affected Products

Palo Alto Networks
commercial·USaka pan-os, prisma access, cloud ngfw
Cloud NGFW
Security Products
PAN-OS
Security Products
Panorama
Security Products
Prisma Access
Security Products
paloaltonetworks
commercial·USaka panw, palo alto networks
pan-os
Security Products

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
Is your org exposed to CVE-2026-0269?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://security.paloaltonetworks.com/CVE-2026-0269
security.paloaltonetworks.com
https://cert-portal.siemens.com/productcert/html/ssa-967325.html
cert-portal.siemens.com

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