CVE-2026-100390

Zoraxy 3.2.3 through 3.3.4 Client IP Spoofing via X-Forwarded-For IPv6

Published Sep 25, 2026 CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers. Unauthenticated attackers connecting over IPv6 can supply arbitrary X-Forwarded-For values to spoof their source IP and bypass authorization provider IP-based access controls.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers. Unauthenticated attackers connecting over IPv6 can supply arbitrary X-Forwarded-For values to spoof their source IP and bypass authorization provider IP-based access controls.
Title Zoraxy 3.2.3 through 3.3.4 Client IP Spoofing via X-Forwarded-For IPv6
First Time appeared Zoraxy
Zoraxy zoraxy
Weaknesses CWE-290
CPEs cpe:2.3:a:zoraxy:zoraxy:*:*:*:*:*:*:*:*
Vendors & Products Zoraxy
Zoraxy zoraxy
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 25, 2026, 8:42 PM
Reserved
Sep 25, 2026, 7:47 PM
Status
Deferred
Published
Sep 25, 2026, 9:17 PM
Modified
Sep 30, 2026, 5:32 PM