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CVE-2026-0269

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

No known exploitation. EPSS puts it in the 12th percentile. Fixed versions are out.

CVSS 3.15.7MediumEPSS percentile12th0.2% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products6 fixed builds listed below

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Palo Alto Networks Cloud NGFWFixed buildsAllStated by: CVE record
  • Palo Alto Networks PAN-OSAffected: ≥ 12.1.0, < 12.1.5Upgrade to: 12.1.5Affected: ≥ 11.2.0, < 11.2.10Upgrade to: 11.2.10Affected: ≥ 11.1.0, < 11.1.6-h21Upgrade to: 11.1.6-h21Affected: ≥ 10.2.0, < 10.2.16-h6Upgrade to: 10.2.16-h6Stated by: CVE record
  • Palo Alto Networks PanoramaFixed buildsAllStated by: CVE record
  • Palo Alto Networks Prisma AccessFixed buildsAllStated by: CVE record
  • Paloaltonetworks Pan-osAffected: ≥ 10.2.0, < 10.2.7Upgrade to: 10.2.7Stated by: NVD

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS12th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.2% chance of exploitation activity in the next 30 days, which ranks it in the 12th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

15 events over 43 days, from the signal feeds we watch.

  1. Patch availableworkaround available, record updated
  2. Patch availableworkaround available, record updated
  3. Patch availableworkaround available, record updated
  4. OpenVAS check added
  5. Patch availableworkaround available, record updated
  6. Publishedweakness classified

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Scored 5.7 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

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