CVE-2026-0300

A buffer overflow vulnerability in the User-ID™ Authentication Portal (aka Captive Portal) service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. The risk of this issue is greatly reduced if you secure access to the User-ID™ Authentication Portal per the best practice guidelines https://knowledgebase.paloaltonetworks.com/KCSArticleDetail by restricting access to only trusted internal IP addresses. Prisma Access, Cloud NGFW and Panorama appliances are not impacted by this vulnerability.
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:paloaltonetworks:pan-os:10.2.0:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.1:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.2:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.3:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.4:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.5:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.6:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h12:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h16:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h19:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h21:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h24:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h32:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h6:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h8:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.8:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h10:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h12:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h14:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h17:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h18:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h21:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h27:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h30:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h31:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:h9:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.11:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.12:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h10:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h16:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h18:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.13:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.14:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.15:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.16:h6:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.17:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.18:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.18:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:10.2.18:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.0:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.1:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.2:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.3:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h13:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h15:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h16:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h17:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h18:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h25:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h27:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h32:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h9:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.5:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h10:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h14:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h17:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h19:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h20:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h21:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h22:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h23:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h25:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h29:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h6:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.7:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.8:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.9:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h10:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h12:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h21:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.10:h9:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.11:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.12:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.13:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.1.14:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.0:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.1:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.2:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.3:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h10:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h11:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h12:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h14:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h15:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h6:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h8:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.4:h9:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.5:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.6:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h10:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h11:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h12:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h7:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.7:h8:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.8:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.9:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h1:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h4:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.10:h5:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:11.2.11:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.2:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.3:*:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.4:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.4:h2:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.4:h3:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.5:-:*:*:*:*:*:*
cpe:2.3:o:paloaltonetworks:pan-os:12.1.6:-:*:*:*:*:*:*
OR cpe:2.3:h:paloaltonetworks:pa-1410:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-1420:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-3410:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-3420:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-3430:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-3440:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-410:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-410r:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-410r-5g:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-415:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-415-5g:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-440:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-445:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-450:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-450r:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-450r-5g:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-455:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-455-5g:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-455r-5g:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-460:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-501:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-505:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-510:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-520:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-540:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5410:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5420:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5430:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5440:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5445:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-545-poe:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5450:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-550:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5540:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-555-poe:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5550:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5560:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5570:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-5580:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-560:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-7500:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:pa-7500-dpc-a:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:vm-100:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:vm-300:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:vm-50:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:vm-500:-:*:*:*:*:*:*:*
cpe:2.3:h:paloaltonetworks:vm-700:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-06 19:16

Updated : 2026-06-17 10:10


NVD link : CVE-2026-0300

Mitre link : CVE-2026-0300

CVE.ORG link : CVE-2026-0300


JSON object : View

Products Affected

paloaltonetworks

  • pa-455-5g
  • pa-455r-5g
  • pa-450r
  • pa-545-poe
  • pa-550
  • vm-700
  • pa-540
  • pa-3440
  • pa-7500-dpc-a
  • pa-510
  • pa-410r-5g
  • pa-450r-5g
  • pa-560
  • pa-5550
  • pa-5450
  • vm-500
  • pa-415
  • pa-410
  • pa-410r
  • pa-7500
  • pa-455
  • vm-300
  • vm-100
  • pa-505
  • pa-3410
  • pa-440
  • pa-5540
  • pa-450
  • pa-460
  • pa-5440
  • pa-3420
  • pa-1410
  • pa-5410
  • pan-os
  • pa-1420
  • pa-3430
  • pa-520
  • pa-5580
  • pa-415-5g
  • pa-555-poe
  • vm-50
  • pa-5570
  • pa-5430
  • pa-5445
  • pa-501
  • pa-445
  • pa-5420
  • pa-5560

siemens

  • ruggedcom_ape1808_firmware
  • ruggedcom_ape1808
CWE
CWE-787

Out-of-bounds Write