4-ZERO-3

Introduction 4-ZERO-3 Tool to bypass 403/401. This script contain all the possible techniques to do the same. NOTE : If you see multiple 200 Ok/bypasses as output, you must check the Content-Length. If the content-length is same for multiple 200 Ok/bypasses means false positive. Reason can be...

unKover

unKover Uncover what's forbidden. 403 bypass tester by Brute Logic. Part of the King of Noobs suite — offensive recon tools built on KISS and the Pareto principle. Simple, fast, and effective. What It Does unKover tests a URL returning 403 Forbidden or 401 Unauthorized against a set of proven...

403Kangaroo

403Kangaroo !! This tool is still under development if you have any issues please don't hesitate to contact me via linkedin or smth 403/401 bypass tool via certain headers and values headers.txt,values.txt. When you load the extension for the first time it will open a headers.txt file and write t...

GHSA-W4FH-QVV9-3V23 Model Context Protocol Python SDK: Server bearer-token authentication accepts tokens issued for a different resource server

Summary In affected versions, the SDK's server-side bearer authentication had no way to check that a token was issued for your server its audience. Where one authorization server issues tokens for several services, a valid token for another service was also accepted by your MCP server. Am I...

Model Context Protocol Python SDK: Server bearer-token authentication accepts tokens issued for a different resource server

Summary In affected versions, the SDK's server-side bearer authentication had no way to check that a token was issued for your server its audience. Where one authorization server issues tokens for several services, a valid token for another service was also accepted by your MCP server. Am I...

CVE-2026-67183-Unauthenticated-Memory-Leak-Leads-To-Memory-Exhaustion-TinyWeb-

Security Advisory: Unauthenticated Memory Leak Leads To Memory Exhaustion TinyWeb Assigned CVE ID: CVE-2026-67183 Summary TinyWeb allocates several objects while parsing each request and never frees them. The request and header structures have no destructors, and nothing deletes them after the...

Pegasus---Forbidden-Buster

Pegasus - Forbidden Buster Author: Letda Kes dr. Sobri, S.Kom. A penetration testing tool for bypassing HTTP 401/403 responses using various header manipulation techniques and path fuzzing. Features Tests various header manipulations X-Forwarded-For, X-Original-URL, X-Rewrite-URL, etc. Unicode pa...

nginxpwner

Nginxpwner Nginxpwner is a simple tool to look for common Nginx misconfigurations and vulnerabilities. Install: cd /opt git clone https://github.com/stark0de/nginxpwner cd nginxpwner chmod +x install.sh ./install.sh Install using Docker git clone https://github.com/stark0de/nginxpwner cd nginxpwn...

CVE-2026-86414

An HTTP proxy can trick libcurl into sending the origin's credentials Basic password, or a Negotiate/Kerberos ticket to the proxy itself, by answering the CONNECT tunnel request with 401 WWW-Authenticate: instead of the expected 407 Proxy-Authenticate:...

CVE-2026-86414

An HTTP proxy can trick libcurl into sending the origin's credentials Basic password, or a Negotiate/Kerberos ticket to the proxy itself, by answering the "CONNECT" tunnel request with 401 "WWW-Authenticate:" instead of the expected 407 "Proxy-Authenticate:"...

CVE-2026-111933

Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare substitutes a placeholder hash derived from the string "hunter2" when a stored password hash is empty. Unauthenticated attackers can...

EUVD-2026-103300

Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare substitutes a placeholder hash derived from the string "hunter2" when a stored password hash is empty. Unauthenticated attackers can...

CVE-2026-111933

The Coder software versions prior to 2.34.2 (specifically before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2) are vulnerable to a user enumeration flaw. The root cause is that the userpassword.Compare() function substitutes a placeholder hash derived from the str...

CVE-2026-111933 Coder before 2.34.2 User Enumeration via Login Placeholder Hash

Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare substitutes a placeholder hash derived from the string "hunter2" when a stored password hash is empty. Unauthenticated attackers can...

CVE-2026-111933 Coder before 2.34.2 User Enumeration via Login Placeholder Hash

Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare substitutes a placeholder hash derived from the string "hunter2" when a stored password hash is empty. Unauthenticated attackers can...

CVE-2026-111933: Observable Discrepancy

Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare substitutes a placeholder hash derived from the string "hunter2" when a stored password hash is empty. Unauthenticated attackers can...

CVE-2026-86414

A flaw was found in curl. A malicious or compromised HTTP proxy server can trick curl into sending authentication credentials intended for the target destination server directly to the proxy itself. When establishing a connection tunnel, if the proxy replies with an HTTP 401 Unauthorized status...

curl: curl: leaking host credentials to HTTP proxy

A flaw was found in curl. A malicious or compromised HTTP proxy server can trick curl into sending authentication credentials intended for the target destination server directly to the proxy itself. When establishing a connection tunnel, if the proxy replies with an HTTP 401 Unauthorized status...

PT-2026-113742

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description An HTTP proxy can trick libcurl into sending the origin's credentials, such as Basic passwords or Negotiate/Kerberos tickets, directly to the proxy. This occurs when the proxy responds to a...

CVE-2026-53586

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, the built-in HTTP transport in src/libgit2/transports/http.c follows an offsite initial redirect, an...