CVE record · CVE-2026-0269

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

CVSS 4.6 MediumEPSS 0.0022 · 13th percentile

Published by the CVE Program (CNA: palo_alto) at 10 Jun 2026, 20:54 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Palo Alto Networks	Cloud NGFW	unaffected All custom Other versions: unaffected
Palo Alto Networks	PAN-OS	affected 12.1.0 to before 12.1.5 custom affected 11.2.0 to before 11.2.10 custom affected 11.1.0 to before 11.1.6-h21 custom affected 10.2.0 to before 10.2.16-h6 custom Other versions: unaffected
Palo Alto Networks	Panorama	unaffected All custom Other versions: unaffected
Palo Alto Networks	Prisma Access	unaffected All custom Other versions: unaffected

Identifiers: CVE-2026-0269
CNA: palo_alto
Weakness (CWE): CWE-754
Tags: Palo Alto Networks Cloud NGFW
Palo Alto Networks PAN-OS
Palo Alto Networks Panorama
Palo Alto Networks Prisma Access
CWE-754
Published: 10 Jun 2026
Updated: 15 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
4.6	Medium	4.0	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:A/V:D/RE:M/U:Amber	CNA (palo_alto)

CISA KEV Not listed.
EPSS 0.0022, the 13th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Jun 2026. New records show when each source confirmed them.

Sources

References from the CNA

security.paloaltonetworks.com/CVE-2026-0269 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.