CVE-2025-65328 | THREATINT

Description

Mega-Fence (webgate-lib.*) 25.1.914 and prior trusts the first value of the X-Forwarded-For (XFF) header as the client IP without validating a trusted proxy chain. An attacker can supply an arbitrary XFF value in a remote request to spoof the client IP, which is then propagated to security-relevant state (e.g., WG_CLIENT_IP cookie). Deployments that rely on this value for IP allowlists may be bypassed.

PUBLISHED Reserved 2025-11-18 | Published 2026-01-05 | Updated 2026-01-05 | Assigner mitre

References

drive.proton.me/urls/MY05PVBFXG

raw.githubusercontent.com/...text/CVE/main/CVE-2025-65328.md

cve.org (CVE-2025-65328)

nvd.nist.gov (CVE-2025-65328)

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