Heimdall: Forwarded Header Injection via Unsanitized Host Header in Proxy Mode

Summary When Heimdall operates in proxy mode, it constructs the Forwarded HTTP header after executing the matched rule pipeline by inserting the incoming request's Host header value directly into the header string without sanitizing commas or semicolons. This allows an attacker to inject addition...

Heimdall: IP Spoofing via Unvalidated Forwarding Headers

Summary When the trustedproxies option is configured, heimdall extracts client IP addresses from the Forwarded for= parameter and X-Forwarded-For headers and exposes them as Request.ClientIPAddresses to the rule pipeline. However, extracted values are not validated to be syntactically valid IP...

PT-2026-50724

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.4 Kirby versions prior to 5.4.4 Description An external initialization issue exists in the Kirby Panel and REST API. This occurs when a site has no configured user accounts and is hosted on a publicly accessible...

Improper Handling Of HTTP Headers

hono is vulnerable to Improper Handling of HTTP Headers. The vulnerability is due to using Headers.set instead of Headers.append when processing repeated request headers, which allows multiple header values to be overwritten and truncated, potentially enabling attackers to bypass security control...

GHSA-WGPF-JWQJ-8H8P hono: Lambda@Edge adapter keeps only the last value of a repeated request header, dropping the rest

Summary On AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Headers.set instead of Headers.append, so every value overwrites the previous one and only the last reaches the application. Repeated reques...

CVE-2026-47825

A flaw was found in Spring Cloud Gateway Server. In certain configurations, the server improperly forwards X-Forwarded-For and Forwarded headers received from untrusted proxies. This vulnerability affects both WebMVC and WebFlux Gateway Servers, potentially allowing an attacker to manipulate the...

PT-2026-49736

Summary On AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Headers.set instead of Headers.append, so every value overwrites the previous one and only the last reaches the application. Repeated reques...

CVE-2026-47825

Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies in certain configuration scenarios. This affects both the WebMVC and WebFlux Gateway Servers. Affected versions: Spring Cloud Gateway 3.1.x fix 3.1.13. Spring Cloud Gateway 4.1.x fix 4.1.13. Spri...

CVE-2026-47825 Spring Cloud Gateway Server Forwards Headers from Untrusted Proxies in certain situations

Spring Cloud Gateway Server forwards the X-Forwarded-For and Forwarded headers from untrusted proxies in certain configuration scenarios. This affects both the WebMVC and WebFlux Gateway Servers. Affected versions: Spring Cloud Gateway 3.1.x fix 3.1.13. Spring Cloud Gateway 4.1.x fix 4.1.13. Spri...

CVE-2026-47825

The CVE affects Spring Cloud Gateway Server components (WebMVC and WebFlux gateways) where headers from untrusted proxies (X-Forwarded-For, Forwarded) are forwarded in certain configurations. Root cause: forwarded-header handling without a trusted-proxy basis allows forged headers to reach downst...

CVE-2026-34025 IP restriction bypass in Wertheim SafeController Software allows logins from unauthorized network locations

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains an IP restriction bypass vulnerability in the login process. The application restricts user logins based on the IP address associated with a branch location, but the client IP address is derived from the HTTP...

EUVD-2026-36708

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains an IP restriction bypass vulnerability in the login process. The application restricts user logins based on the IP address associated with a branch location, but the client IP address is derived from the HTTP...

PT-2026-49468

Name of the Vulnerable Software and Affected Versions Spring Cloud Gateway versions prior to 3.1.13 Spring Cloud Gateway versions prior to 4.1.13 Spring Cloud Gateway versions prior to 4.2.9 Spring Cloud Gateway versions prior to 4.3.5 Spring Cloud Gateway versions prior to 5.0.2 Description Spri...

PT-2026-49196

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains an IP restriction bypass vulnerability in the login process. The application restricts user logins based on the IP address associated with a branch location, but the client IP address is derived from the HTTP...

CVE-2026-2955

The AI Chatbot & Workflow Automation by AIWU plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'X-Forwarded-For' header in versions up to, and including, 1.4.14 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers...

CVE-2026-46527

A flaw was found in cpp-httplib, a C++ HTTP/HTTPS library. When a server using cpp-httplib has configured trusted proxies, a remote attacker can send a specially crafted HTTP request with a malformed X-Forwarded-For header. This can lead to undefined behavior, resulting in abnormal process...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the getclientip process when the server is configured with trusted proxies and receives a specially crafted X-Forwarded-For header that parses to no valid IP segments. An attacker can cause abnormal process...

EUVD-2026-33426

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, When the server has called Server::settrustedproxies with a non-empty trusted-proxy list, an attacker can send an HTTP request that includes an X-Forwarded-For header whose value parses to no valid ...

CVE-2026-45364

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.4.17 and 1.5.0-beta.9, Better Auth's HTTP rate limiter keyed each request by the exact textual IP address it received in x-forwarded-for or the configured IP-bearing header. IPv6 clients controlling a typical /6...

Better Auth 安全漏洞

Better Auth is an open-source TypeScript framework for authentication. Versions of Better Auth prior to 1.4.17 and 1.5.0-beta.9 contained security vulnerabilities. These vulnerabilities stemmed from the HTTP rate limiter, which keyed each request based on the exact text IP address in the...