TI-2026-64663 Aliases CVE-2026-100390 GHSA-7crf-73jx-vf27

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

MEDIUM 41CWE-290Published 2026-09-25 · Updated 2026-09-25

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: Present
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0029 21st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
tobychui	zoraxy	3.2.3 – 3.3.4	—	No fix listed	CNA

zoraxy Vendortobychui Affected 3.2.3 – 3.3.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-100390
2026-10-03 Alias added: GHSA-7crf-73jx-vf27

References

Patch 2

Other 2

TI-2026-71023 Improper authorization in tobychui Zoraxy Path Exception Matcher CVSS 4.0MEDIUM 6.9
TI-2024-34897 Zoraxy has an authenticated command injection in the Web SSH feature CVSS 4.0HIGH 8.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences