CVE-2020-37056: Authentication Bypass by Spoofing

Crystal Shard http-protection 0.2.0 contains an IP spoofing vulnerability that allows attackers to bypass protection middleware by manipulating request headers. Attackers can hardcode consistent IP values across X-Forwarded-For, X-Client-IP, and X-Real-IP headers to circumvent security checks and...

CVE-2026-22261

Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, various inefficiencies in xff handling, especially for alerts not triggered in a tx, can lead to severe slowdowns. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, disable XFF support in the eve...

Incorrect Regular Expression

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to Incorrect Regular Expression in the form of the IPV4REGEX pattern not properly matching IPv4 octet ranges, and passing values above 255 on to convertIPv4ToBinary. An...

CVE-2026-23848

MyTube is a self-hosted downloader and player for several video websites. Prior to version 1.7.71, a rate limiting bypass via X-Forwarded-For header spoofing allows unauthenticated attackers to bypass IP-based rate limiting on general API endpoints. Attackers can spoof client IPs by manipulating...

EUVD-2026-3288

MyTube is a self-hosted downloader and player for several video websites. Prior to version 1.7.71, a rate limiting bypass via X-Forwarded-For header spoofing allows unauthenticated attackers to bypass IP-based rate limiting on general API endpoints. Attackers can spoof client IPs by manipulating...

CVE-2026-23848: Reliance on Untrusted Inputs in a Security Decision

MyTube is a self-hosted downloader and player for several video websites. Prior to version 1.7.71, a rate limiting bypass via X-Forwarded-For header spoofing allows unauthenticated attackers to bypass IP-based rate limiting on general API endpoints. Attackers can spoof client IPs by manipulating...

CVE-2023-50463

The caddy-geo-ip aka GeoIP middleware through 0.6.0 for Caddy 2, when trustheader X-Forwarded-For is used, allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism trustedproxy directive in reverseproxy or IP address range restrictio...

CVE-2016-10322

Synology Photo Station before 6.3-2958 allows remote authenticated guest users to execute arbitrary commands via shell metacharacters in the X-Forwarded-For HTTP header to photo/login.php...

CVE-2020-12477

The REST API functions in TeamPass 2.1.27.36 allow any user with a valid API token to bypass IP address whitelist restrictions via an X-Forwarded-For client HTTP header to the getIp function...

CVE-2025-13694

The AA Block Country plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.0.1. This is due to the plugin trusting user-supplied headers such as HTTPXFORWARDEDFOR to determine the client's IP address without proper validation or considering if the server is...

WordPress AA Block country plugin <= 1.0.1 - Unauthenticated IP Address Spoofing via X-Forwarded-For Header vulnerability

Unauthenticated IP Address Spoofing via X-Forwarded-For Header vulnerability discovered by Ivan Cese in WordPress Plugin AA Block country versions = 1.0.1...

CVE-2025-13694 AA Block country <= 1.0.1 - Unauthenticated IP Address Spoofing via X-Forwarded-For Header

The AA Block Country plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.0.1. This is due to the plugin trusting user-supplied headers such as HTTPXFORWARDEDFOR to determine the client's IP address without proper validation or considering if the server is...

CVE-2025-13694: Use of Less Trusted Source

The AA Block Country plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.0.1. This is due to the plugin trusting user-supplied headers such as HTTPXFORWARDEDFOR to determine the client's IP address without proper validation or considering if the server is...

SUSE CVE-2025-66508

1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.14 and below use Gin's default configuration which trusts all IP addresses as proxies TrustedProxies = 0.0.0.0/0, allowing any client to spoof the X-Forwarded-For header. Since all IP-based access controls...

CVE-2025-64422

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify vstarting with version 4.0.0-beta.434, the /login endpoint advertises a rate limit of 5 requests but can be trivially bypassed by rotating the X-Forwarded-For header. This enables...

CVE-2025-64422

CVE-2025-64422 affects Coolify 4.0.0-beta.434 and later. The /login endpoint advertises a rate limit of 5 requests but can be bypassed by rotating the X-Forwarded-For header, enabling unlimited credential stuffing and brute-force attempts against user and admin accounts. The available connected s...

CVE-2025-65328

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...

CVE-2025-65328

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...

CVE-2025-65328: Reliance on Untrusted Inputs in a Security Decision

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...

CVE-2025-64422: Allocation of Resources Without Limits or Throttling

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify vstarting with version 4.0.0-beta.434, the /login endpoint advertises a rate limit of 5 requests but can be trivially bypassed by rotating the X-Forwarded-For header. This enables...