CVE-2026-0269 json
PAN-OS: Denial of Service (DoS) in Tunnel Traffic Processing
published 2026-06-10 4 mo ago modified 2026-10-15 25 d ago also EUVD-2026-36145
- cvss
- 5.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 13%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Palo Alto Networks PAN-OS 10.2.7-h34, 10.2.10-h36, 10.2.13-h21, 10.2.16-h6, 10.2.18, 11.1.4-h33, 11.1.6-h21, 11.1.10-h7, 11.1.12, 11.2.4-h17, 11.2.7-h4, 11.2.10, 12.1.4-h5, 12.1.5
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.6 | 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 | 4.0 | 4.6 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:D/RE:M/U:Amber |
| NVD | 3.1 | 5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Palo Alto Networks Cloud NGFW
- Palo Alto Networks PAN-OS
- Palo Alto Networks Panorama
- Palo Alto Networks Prisma Access
- Siemens RUGGEDCOM APE1808
Classification
- Weakness
-
- CWE-754 Improper Check for Unusual or Exceptional Conditions
- Technology feeds
References
Sources
- CVE List CVE-2026-0269
- NVD CVE-2026-0269
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