{"id":"CVE-2026-0283","aliases":["EUVD-2026-42678","GHSA-jmqp-7m5h-wrr8"],"status":"published","title":"PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)","description":"An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.","severity":{"version":"4.0","score":4.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00376,"percentile":0.31907,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-07-09T19:01:34Z","modified":"2026-11-10T12:39:57Z","products":[{"vendor":"palo alto networks","product":"cloud ngfw"},{"vendor":"palo alto networks","product":"pan-os"},{"vendor":"palo alto networks","product":"prisma access"},{"vendor":"paloaltonetworks","product":"pan-os"},{"vendor":"siemens","product":"ruggedcom ape1808"}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0283","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-104023.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0283"},{"url":"https://github.com/advisories/GHSA-jmqp-7m5h-wrr8"}],"sources":{"cve":[{"id":"CVE-2026-0283","title":"PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)","description":"An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.","status":"published","published":"2026-07-09T19:01:34.21Z","modified":"2026-11-10T12:39:57.12Z","cvss":[{"version":"4.0","score":4.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T13:38:44.039016Z"}],"euvd":[{"id":"EUVD-2026-42678","description":"An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.","status":"published","published":"2026-07-09T19:01:34Z","modified":"2026-11-10T12:39:57Z","cvss":[{"version":"4.0","score":4.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber","level":"medium"}],"updated_at":"2026-11-10T14:21:11.690542Z"}],"ghsa":[{"id":"GHSA-jmqp-7m5h-wrr8","title":"An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto...","description":"An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.","status":"published","published":"2026-07-09T21:31:20Z","modified":"2026-08-11T15:31:58Z","cvss":[{"version":"4.0","score":4.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/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:U/V:D/RE:M/U:Amber","level":"medium"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:10:17.573081Z"}],"nvd":[{"id":"CVE-2026-0283","description":"An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection.\n\nPanorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.","status":"published","published":"2026-07-09T19:17:00.593Z","modified":"2026-08-11T13:17:51.91Z","cvss":[{"version":"4.0","score":4.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/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:U/V:D/RE:M/U:Amber","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:28.4135Z"}]}}