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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.

PUBLISHED Reserved 2025-11-03 | Published 2026-06-10 | Updated 2026-06-10 | Assigner palo_alto




MEDIUM: 4.6CVSS: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

Problem types

CWE-754: Improper Check for Unusual or Exceptional Conditions

Product status

Default status
unaffected

All (custom)
unaffected

Default status
unaffected

12.1.0 (custom) before 12.1.5
affected

11.2.0 (custom) before 11.2.10
affected

11.1.0 (custom) before 11.1.6-h21
affected

10.2.0 (custom) before 10.2.16-h6
affected

Default status
unaffected

All (custom)
unaffected

Default status
unaffected

All (custom)
unaffected

Timeline

2026-06-10:Initial publication.

References

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

cve.org (CVE-2026-0269)

nvd.nist.gov (CVE-2026-0269)

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