# CVE-2026-0328: PAN-OS: User Impersonation through GlobalProtect Portal

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

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.

## Remediation

- 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

- Palo Alto Networks / Cloud NGFW: All (unaffected, custom). Source: CNA: palo_alto
- Palo Alto Networks / PAN-OS: ≥ 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. Source: CNA: palo_alto
- Palo Alto Networks / Prisma Access: All (unaffected, custom). Source: CNA: palo_alto

## Severity and prioritization

- CVSS 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:Amber; source: CNA: palo_alto

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-287

## Exploit evidence

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

## References

- https://security.paloaltonetworks.com/CVE-2026-0328 (CNA: palo_alto; vendor-advisory)

## Provenance

- CNA: palo_alto: https://www.cve.org/CVERecord?id=CVE-2026-0328; retrieved 2026-11-11; source updated 2026-11-11

Revision: bdadb12ac88178dd44aab8cfe38906977f013d25ecfeac8fca98541b15089a75

Canonical: https://y2.dev/cve/CVE-2026-0328

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