CVE-2026-43634

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...

EUVD-2026-30935

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...

CVE-2026-43634

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...

CVE-2026-43634 HestiaCP 1.2.0-1.9.4 IP Spoofing via CF-Connecting-IP Header

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...

HestiaCP 安全漏洞

HestiaCP is an open-source control panel designed for modern networks, offering a lightweight yet powerful solution. Versions 1.2.0 to 1.9.4 of HestiaCP contain security vulnerabilities. These vulnerabilities stem from an IP spoofing vulnerability, allowing unauthorized remote attackers to bypass...

BIT-NGINX-GATEWAY-2026-40460 NGINX ngx_quic_module vulnerability

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

BIT-NGINX-2026-40460 NGINX ngx_quic_module vulnerability

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-46356 Fleet: IP spoofing allows bypassing API rate limiting

Fleet is open source device management software. Prior to version 4.80.1, a vulnerability in Fleet's IP extraction logic allows unauthenticated attackers to bypass API rate limiting by spoofing client IP headers. This may allow brute-force login attempts or other abuse against Fleet instances...

SUSE CVE-2026-40460

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

Linux Distros Unpatched Vulnerability : CVE-2026-40460

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass ...

ALPINE-CVE-2026-8328

The ftpcp function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv was patched to replace server-supplied PASV host addresses with the actual peer address getpeername0, ftpcp still calls parse227 directly and passes the raw attacker-controllable IP address and port t...

AZL-86847 CVE-2026-40460 affecting package nginx for versions less than 1.28.3-4

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40460 NGINX ngx_quic_module vulnerability

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40460

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-40460

CVE-2026-40460 affects NGINX Plus ngx_quic_module and NGINX Open Source when HTTP/3 QUIC is enabled. An attacker could spoof the source IP to bypass authorization or rate limiting, potentially enabling unauthorized access or DoS. Remediation per the connected advisory: upgrade to vulnerable-produ...

K000161068: NGINX ngx_quic_module vulnerability CVE-2026-40460

Security Advisory Description When NGINX Plus or NGINX Open Source is configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting. CVE-2026-40460 Impact This vulnerability allows a remote,...

CVE-2026-35391

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP function in lib/admin/session.ts trusted the first leftmost entry of the X-Forwarded-For header, which is fully controlled by the client. An attacker could forge their source IP address to...

CVE-2026-35391

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP function in lib/admin/session.ts trusted the first leftmost entry of the X-Forwarded-For header, which is fully controlled by the client. An attacker could forge their source IP address to...

CVE-2026-33690

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the getRealIpAddr function in objects/functions.php trusts user-controlled HTTP headers to determine the client's IP address. An attacker can spoof their IP address by sending forged headers, bypassing any IP-base...

OpenClaw Data Forgery Problem Vulnerability (CNVD-2026-14827)

OpenClaw is an intelligent artificial assistant open-sourced by OpenClaw. OpenClaw suffers from a Data Forgery Issue vulnerability that stems from improperly parsing the X-Forwarded-For header value, which can be exploited by an attacker to spoof a client's IP address and influence security...