HTTP Header Injection

Overview @fastify/http-proxy is a proxy http requests, for Fastify Affected versions of this package are vulnerable to HTTP Header Injection via improper handling of the Connection header after proxy-added headers have been set. An attacker can remove headers intended for routing, access control,...

CVE-2026-33805 @fastify/reply-from vulnerable to connection header abuse enabling stripping of proxy-added headers

@fastify/reply-from v12.6.1 and earlier and @fastify/http-proxy v11.4.3 and earlier process the client's Connection header after the proxy has added its own headers via rewriteRequestHeaders. This allows attackers to retroactively strip proxy-added headers from upstream requests by listing them i...

CVE-2026-33805

CVE-2026-33805 affects @fastify/reply-from <= v12.6.1 and @fastify/http-proxy

CVE-2026-33805 @fastify/reply-from vulnerable to connection header abuse enabling stripping of proxy-added headers

@fastify/reply-from v12.6.1 and earlier and @fastify/http-proxy v11.4.3 and earlier process the client's Connection header after the proxy has added its own headers via rewriteRequestHeaders. This allows attackers to retroactively strip proxy-added headers from upstream requests by listing them i...

HTTP client proxy tunnel headers not validated for CR/LF

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CVE-2026-39971

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...

axios CRLF Header Bypass

The vulnerability of the axios library is related to the failure to handle CRLF sequences in HTTP headers. Exploiting this vulnerability allows a malicious actor to bypass existing security mechanisms by sending specially crafted HTTP requests...

Security vulnerabilities in fastify/reply-from and fastify/http-proxy

fastify/reply-from and fastify/http-proxy are both products from the Fastify open-source project. fastify/reply-from is a plugin designed to forward incoming HTTP requests to another server. fastify/http-proxy is a full-featured HTTP proxy plugin that supports proxying WebSocket connections and...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the HTTPHOST value being directly embedded into the Message-ID header during email generation. An attacker can inject arbitrary SMTP headers into outgoing emails by supplying a crafted Host header during...

GHSA-7H3J-592V-JCRP goshs's public collaborator feed leaks .goshs ACL credentials and enables unauthorized access

Summary goshs leaks file-based ACL credentials through its public collaborator feed when the server is deployed without global basic auth. Requests to .goshs-protected folders are logged before authorization is enforced, and the collaborator websocket broadcasts raw request headers, including...

goshs's public collaborator feed leaks .goshs ACL credentials and enables unauthorized access

Summary goshs leaks file-based ACL credentials through its public collaborator feed when the server is deployed without global basic auth. Requests to .goshs-protected folders are logged before authorization is enforced, and the collaborator websocket broadcasts raw request headers, including...

CVE-2026-39974

n8n-MCP is a Model Context Protocol MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Prior to 2.47.4, an authenticated Server-Side Request Forgery in n8n-mcp allows a caller holding a valid AUTHTOKEN to cause the server to iss...

CVE-2026-39422

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability through the application name or icon fields when creating an application. When a victim visits the public chat interface /ui/chat/accesstoken, the...

Improper Removal of Sensitive Information Before Storage or Transfer

Overview Affected versions of this package are vulnerable to Improper Removal of Sensitive Information Before Storage or Transfer in the cross-domain redirects that do not strip custom authentication headers such as X-API-Key, X-Auth-Token, Api-Key, Token. An attacker can obtain sensitive...

Improper Removal of Sensitive Information Before Storage or Transfer

Overview Affected versions of this package are vulnerable to Improper Removal of Sensitive Information Before Storage or Transfer in the cross-domain redirects that do not strip custom authentication headers such as X-API-Key, X-Auth-Token, Api-Key, Token. An attacker can obtain sensitive...

GHSA-R4Q5-VMMM-2653 follow-redirects leaks Custom Authentication Headers to Cross-Domain Redirect Targets

Summary When an HTTP request follows a cross-domain redirect 301/302/307/308, follow-redirects only strips authorization, proxy-authorization, and cookie headers matched by regex at index.js:469-476. Any custom authentication header e.g., X-API-Key, X-Auth-Token, Api-Key, Token is forwarded...

follow-redirects leaks Custom Authentication Headers to Cross-Domain Redirect Targets

Summary When an HTTP request follows a cross-domain redirect 301/302/307/308, follow-redirects only strips authorization, proxy-authorization, and cookie headers matched by regex at index.js:469-476. Any custom authentication header e.g., X-API-Key, X-Auth-Token, Api-Key, Token is forwarded...

AsyncHttpClient leaks authorization credentials to untrusted domains on cross-origin redirects

Impact When redirect following is enabled followRedirecttrue, AsyncHttpClient forwards Authorization and Proxy-Authorization headers along with Realm credentials to arbitrary redirect targets regardless of domain, scheme, or port changes. This leaks credentials on cross-domain redirects and...

CVE-2026-39422 MaxKB has Stored XSS via ChatHeadersMiddleware

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability through the application name or icon fields when creating an application. When a victim visits the public chat interface /ui/chat/accesstoken, the...

CVE-2026-39422 MaxKB has Stored XSS via ChatHeadersMiddleware

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability through the application name or icon fields when creating an application. When a victim visits the public chat interface /ui/chat/accesstoken, the...