Disclaimer

Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 9.1.15-h1, 10.1.11-h10, 10.2.4-h32

The earliest recollection of this bug is traced back to PAN-OS 10.1.12 - July 22, 2025. This bug is fixed in PAN-OS versions 10.1.12, 9.1.16, 10.2.5. Fixed an issue where, when the firewall received a large amount of user information, the firewall was unable to output IP address-to-username mapping information via XML API. Fixed an issue where, when the firewall received a large amount of user information, the firewall was unable to output IP-address to username mapping information via XML API. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-12-known-and-addressed-issues/pan-os-10-1-12-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-5-known-and-addressed-issues/pan-os-10-2-5-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-16-addressed-issues