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 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...

PT-2026-41935

Name of the Vulnerable Software and Affected Versions HestiaCP versions 1.2.0 through 1.9.4 Description An IP spoofing issue allows unauthenticated remote attackers to bypass authentication security controls. This occurs when the system accepts an arbitrary IP address provided in the...