Public vulnerability disclosure

CVE-2026-0328

PAN-OS: User Impersonation through GlobalProtect Portal

publishedCWE-287

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. Panorama, Cloud NGFW, and Prisma® Access are not affected by this vulnerability.

Technical severity2.7 lowCVSS 4.0 · CNA: palo_alto
Published2026-11-11Source updated 2026-11-11
Collected2026-11-111 attributed source

Fixes and workarounds

Fix

VERSION MINOR VERSION SUGGESTED SOLUTION Cloud NGFW No action needed. PAN-OS 12.2 12.2.0 through 12.2.4-h* Upgrade to 12.2.4-h2 or later. PAN-OS 12.1 12.1.8 through 12.1.10-h* Upgrade to 12.1.10-h4 or later. 12.1.5 through 12.1.7-h* Upgrade to 12.1.7-h12 or 12.1.10-h4 or later. 12.1.2 through 12.1.4-h* Upgrade to 12.1.4-h14 or 12.1.10-h4 or later. PAN-OS 11.2 11.2.15 through 11.2.16-h* Upgrade to 11.2.16-h2 or later. 11.2.11 through 11.2.13-h* Upgrade to 11.2.13-h5 or 11.2.16-h2 or later. 11.2.8 through 11.2.10-h* Upgrade to 11.2.10-h18 or 11.2.16-h2 or later. 11.2.5 through 11.2.7-h* Upgrade to 11.2.7-h24 or 11.2.16-h2 or later. 11.2.0 through 11.2.4-h* Upgrade to 11.2.4-h24 or 11.2.16-h2 or later. PAN-OS 11.1 11.1.14 through 11.1.16-h* Upgrade to 11.1.16-h5 or later. 11.1.11 through 11.1.13-h* Upgrade to 11.1.13-h17 or 11.1.16-h5 or later. 11.1.8 through 11.1.10-h* Upgrade to 11.1.10-h37 or 11.1.16-h5 or later. 11.1.7 through 11.1.7-h* Upgrade to 11.1.7-h13 or 11.1.16-h5 or later. 11.1.5 through 11.1.6-h* Upgrade to 11.1.6-h41 or 11.1.16-h5 or later. 11.1.0 through 11.1.4-h* Upgrade to 11.1.4-h39 or 11.1.16-h5 or later. PAN-OS 10.2 10.2.17 through 10.2.18-h* Upgrade to 10.2.18-h14 or later. 10.2.14 through 10.2.16-h* Upgrade to 10.2.16-h13 or 10.2.18-h14 or later. 10.2.11 through 10.2.13-h* Upgrade to 10.2.13-h28 or 10.2.18-h14 or later. 10.2.8 through 10.2.10-h* Upgrade to 10.2.10-h43 or 10.2.18-h14 or later. 10.2.0 through 10.2.7-h* Upgrade to 10.2.7-h40 or 10.2.18-h14 or later. All older Upgrade to a supported fixed version. unsupported PAN-OS versions Prisma Access No action needed.

Source: CNA: palo_alto

Workaround

No known workarounds exist for this issue.

Source: CNA: palo_alto

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Cloud NGFW
Palo Alto Networks
All (unaffected, custom)
Other versions: unaffected
CNA: palo_alto
PAN-OS
Palo Alto Networks
≥ 12.2.0; < 12.2.4-h2 (affected, custom); unaffected at 12.2.4-h2
≥ 12.1.0; < 12.1.10-h4 (affected, custom); unaffected at 12.1.10-h4; unaffected at 12.1.7-h12; unaffected at 12.1.4-h14
≥ 11.2.0; < 11.2.16-h2 (affected, custom); unaffected at 11.2.16-h2; unaffected at 11.2.13-h5; unaffected at 11.2.10-h18; unaffected at 11.2.7-h24; unaffected at 11.2.4-h24
≥ 11.1.0; < 11.1.16-h5 (affected, custom); unaffected at 11.1.16-h5; unaffected at 11.1.13-h17; unaffected at 11.1.10-h37; unaffected at 11.1.7-h13; unaffected at 11.1.6-h41; unaffected at 11.1.4-h39
≥ 10.2.0; < 10.2.18-h14 (affected, custom); unaffected at 10.2.18-h14; unaffected at 10.2.16-h13; unaffected at 10.2.13-h28; unaffected at 10.2.10-h43; unaffected at 10.2.7-h40
Other versions: unaffected
CNA: palo_alto
Prisma Access
Palo Alto Networks
All (unaffected, custom)
Other versions: unaffected
CNA: palo_alto

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 2.7
low
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/AU:N/R:U/V:D/RE:M/U:AmberCNA: palo_alto

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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