{"id":"CVE-2026-0328","kind":"vulnerability","aliases":["CVE-2026-0328"],"related":[],"title":"PAN-OS GlobalProtect: authentication bypass lets outsiders open a VPN connection","description":"Authentication bypass vulnerabilities in the GlobalProtect™ portal and gateway of Palo Alto Networks PAN-OS® software enables an unauthenticated user to bypass security restrictions and establish an unauthorized VPN connection. \n\n\n\nPanorama, Cloud NGFW, and Prisma® Access are not affected by this vulnerability.","summary":"Palo Alto Networks PAN-OS GlobalProtect portal and gateway contain authentication bypass flaws. An unauthenticated attacker can get past security restrictions and establish an unauthorized VPN connection.","severity":"low","cvss":2.7,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"PAN-OS","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["firewall","globalprotect","infrastructure","pan-os","vpn"],"not_affected_if":["cloud-ngfw","panorama","prisma-access"],"how_to_check":"- Confirm the PAN-OS version running on your firewall with the device's system information page\n- Check whether GlobalProtect portal or gateway is enabled on the device\n- Confirm whether the device is Panorama, Cloud NGFW, or Prisma Access, which the sources say are not affected","fix":null,"status":"open","published_at":"2026-11-11T20:17:02+00:00","first_seen_at":"2026-11-11T20:28:52+00:00","triaged_at":"2026-11-11T20:30:21+00:00","updated_at":"2026-11-11T20:30:21+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-11T20:30:21Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"PAN-OS GlobalProtect: authentication bypass lets outsiders open a VPN connection","impact":"medium","summary":"Palo Alto Networks PAN-OS GlobalProtect portal and gateway contain authentication bypass flaws. An unauthenticated attacker can get past security restrictions and establish an unauthorized VPN connection.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["pan-os","globalprotect","firewall","vpn"],"confidence":0.6,"fix_status":"unknown","needs_auth":"no","worst_case":"unauthorized VPN access into the internal network","analyst_note":"Find the affected and fixed PAN-OS versions in the Palo Alto Networks security advisory for CVE-2026-0328; the NVD entry gives none.","how_to_check":"- Confirm the PAN-OS version running on your firewall with the device's system information page\n- Check whether GlobalProtect portal or gateway is enabled on the device\n- Confirm whether the device is Panorama, Cloud NGFW, or Prisma Access, which the sources say are not affected","plain_action":"","product_name":"PAN-OS","needs_analyst":true,"not_affected_if":["panorama","cloud-ngfw","prisma-access"],"who_is_affected":"Organizations running self-managed PAN-OS firewalls with the GlobalProtect portal or gateway enabled are exposed. The sources say Panorama, Cloud NGFW, and Prisma Access are not affected, so teams using only those can skip it. Affected PAN-OS versions are not listed in the sources provided.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"yes","severity_if_unknown":"low"},"cost_usd":0.000771,"input_tokens":4583,"output_tokens":625,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-0328':15A,18A '-2026':14A,17A 'access':93C 'affect':96C 'alto':30B,68C 'attack':45B 'authent':5A,40B,57C 'bypass':6A,41B,58C,79C 'cloud':89C 'connect':12A,56B,87C 'contain':39B 'cve':13A,16A 'enabl':74C 'establish':52B,83C 'firewal':22B 'flaw':42B 'gateway':38B,65C 'get':47B 'globalprotect':4A,23B,35B,62C 'infrastructur':24B 'let':7A 'network':31B,69C 'ngfw':90C 'open':9A 'os':3A,21A,27B,34B,72C 'outsid':8A 'palo':29B,67C 'pan':2A,20A,26B,33B,71C 'pan-o':1A,25B,32B,70C 'pan-os':19A 'panorama':88C 'past':48B 'portal':36B,63C 'prisma':92C 'restrict':50B,81C 'secur':49B,80C 'softwar':73C 'unauthent':44B,76C 'unauthor':54B,85C 'user':77C 'vpn':11A,28B,55B,86C 'vulner':59C,99C","nicknames":[],"mitigations":[],"who_affected":"Organizations running self-managed PAN-OS firewalls with the GlobalProtect portal or gateway enabled are exposed. The sources say Panorama, Cloud NGFW, and Prisma Access are not affected, so teams using only those can skip it. Affected PAN-OS versions are not listed in the sources provided.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["panos"],"ptokens":["os","pan"],"labels":["firewall","globalprotect","infrastructure","low","panos","vendor","vpn"],"campaign_type":null,"search_a":"'-0328':15A,18A '-2026':14A,17A 'authent':5A 'bypass':6A 'connect':12A 'cve':13A,16A 'globalprotect':4A 'let':7A 'open':9A 'os':3A,21A 'outsid':8A 'pan':2A,20A 'pan-o':1A 'pan-os':19A 'vpn':11A","search_b":"'alto':30B 'attack':45B 'authent':40B 'bypass':41B 'connect':56B 'contain':39B 'establish':52B 'firewal':22B 'flaw':42B 'gateway':38B 'get':47B 'globalprotect':23B,35B 'infrastructur':24B 'network':31B 'os':27B,34B 'palo':29B 'pan':26B,33B 'pan-o':25B,32B 'past':48B 'portal':36B 'restrict':50B 'secur':49B 'unauthent':44B 'unauthor':54B 'vpn':28B,55B","search_c":"'access':93C 'affect':96C 'alto':68C 'authent':57C 'bypass':58C,79C 'cloud':89C 'connect':87C 'enabl':74C 'establish':83C 'gateway':65C 'globalprotect':62C 'network':69C 'ngfw':90C 'os':72C 'palo':67C 'pan':71C 'pan-o':70C 'panorama':88C 'portal':63C 'prisma':92C 'restrict':81C 'secur':80C 'softwar':73C 'unauthent':76C 'unauthor':85C 'user':77C 'vpn':86C 'vulner':59C,99C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T20:17:02+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/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","cvss_by":"psirt@paloaltonetworks.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-0328","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0328","severity":null,"published_at":"2026-11-11T20:17:02+00:00","modified_at":"2026-11-11T20:17:02+00:00","first_seen_at":"2026-11-11T20:28:52+00:00","fetched_at":"2026-11-11T20:28:52+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}