CVE-2026-41940

CVE-2026-41940 - WHM/cPanel Authentication Bypass Mass Exploit 📋 Description CVE-2026-41940 is a critical authentication bypass vulnerability in WHM/cPanel that allows attackers to bypass authentication and gain root access to a server without valid credentials. The vulnerability leverages CRLF...

CVE-2026-41940

CVE-2026-41940: cPanel/WHM Authentication Bypass Single & Multi-Target Disclaimer: This document and the associated script exploit.py are provided strictly for educational purposes, security research, and authorized penetration testing. Do not use this software against systems you do not own or d...

CVE-2026-41940

CVE-2026-41940: cPanel/WHM Authentication Bypass Single & Multi-Target Disclaimer: This document and the associated script exploit.py are provided strictly for educational purposes, security research, and authorized penetration testing. Do not use this software against systems you do not own or d...

cpanel-sessionscribe

SessionScribe - CVE-2026-41940 Critical unauthenticated RCE in cPanel & WHM. Four HTTP requests forge a root session via CRLF injection into the password field of a preauth session. No auth, no preconditions, every supported tier affected. Disclosed 2026-04-28 by Sina Kheirkhah / watchTowr Labs...

CVE-2026-103930

A flaw was found in cpp-httplib. The library is vulnerable to HTTP request splitting due to improper encoding of carriage-return and line-feed characters within streaming request paths. If an application forwards untrusted user input to the streaming client interface, a remote attacker can supply...

CVE-2026-55467: Improper Neutralization of CRLF Sequences

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, the cupsdCreateJob option-string builder in scheduler/job.c maps attacker-controlled destination-uri and pre-dial-string values from a configured fax queue to the phone and...

CVE-2026-111228: Improper Neutralization of CRLF Sequences

Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in servicesunboundadvanced.php that allows authenticated users with DNS Resolver: Advanced privilege to inject Unbound directives. Attackers can embed CR/LF characters in the unvalidated sockqueuetimeout parameter...

CVE-2026-111227: Improper Neutralization of CRLF Sequences

Netgate pfSense CE through 2.9.0 contains a CRLF injection vulnerability in servicesunboundacls.php that allows authenticated users with the DNS Resolver: Access Lists privilege to inject Unbound configuration directives. Attackers can embed CR/LF characters in the aclname or aclaction fields...

CVE-2026-102471

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the vertx-mail-client does not sanitize CR \r or LF \n characters in user-supplied email header names and values before writing them into the SMTP DATA section. A CR/LF sequence embedded in a name or value...

CVE-2026-102471 CRLF header injection in vertx-mail-client allows manipulation of outgoing SMTP messages

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the vertx-mail-client does not sanitize CR \r or LF \n characters in user-supplied email header names and values before writing them into the SMTP DATA section. A CR/LF sequence embedded in a name or value...

CVE-2026-102471 CRLF header injection in vertx-mail-client allows manipulation of outgoing SMTP messages

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the vertx-mail-client does not sanitize CR \r or LF \n characters in user-supplied email header names and values before writing them into the SMTP DATA section. A CR/LF sequence embedded in a name or value...

CVE-2026-102471

The io.vertx:vertx-mail-client component in Eclipse Vert.x versions [4.0.0, 4.5.34] , [5.0.0, 5.0.12] , [5.1.0, 5.1.9] , and [5.2.0, 5.2.0] is vulnerable to CRLF header injection . The root cause is the failure to sanitize CR () and LF () characters in user-supplied email header names, values, an...

CVE-2026-103930 cpp-httplib open_stream serializes CRLF in request target into HTTP request line

cpp-httplib is a C++ header-only HTTP/HTTPS library. From 0.29.0 until 0.51.0, Client::openstream in httplib.h accepts a caller-controlled path that reaches detail::writerequestline without the detail::encodepath protection used by the ordinary buffered request path. Raw carriage-return and...

CVE-2026-103930 cpp-httplib open_stream serializes CRLF in request target into HTTP request line

cpp-httplib is a C++ header-only HTTP/HTTPS library. From 0.29.0 until 0.51.0, Client::openstream in httplib.h accepts a caller-controlled path that reaches detail::writerequestline without the detail::encodepath protection used by the ordinary buffered request path. Raw carriage-return and...

CVE-2026-103930

The C++ header-only HTTP/HTTPS library cpp-httplib versions 0.29.0 through 0.51.0 contains a vulnerability in Client::open_stream within httplib.h . The issue stems from the library accepting a caller-controlled path that bypasses the detail::encode_path() protection used in other paths. This all...

CVE-2026-41940

CVE-2026-41940 — cPanel/WHM Auth Bypass Author: Dr.Anach | Contact: @dranach | License: MIT Overview CRLF injection in cpsrvd Basic auth handler → unauthenticated WHM API access → RCE as root. All cPanel since v11.40 affected. Attack Chain | Step| Request ---|---|--- 1| Mint session| GET...

curl: IMAP APPEND plus CRLF conversion command injection

A flaw was found in curl. When curl is configured to perform carriage return and line feed CRLF conversion during an Internet Message Access Protocol IMAP append operation, it incorrectly reports the raw input size rather than the expanded byte count. Because the receiving server only reads the...

CVE-2026-110835: Improper Neutralization of CRLF Sequences

FreeRDP 3.0.0 before 3.32.0 allows HTTP header injection in its proxy because a lone LF in the target portion of a routing token Cookie: msts= is not rejected and is written by httpproxyconnect into the CONNECT request line and Host header. A remote unauthenticated RDP client connecting to a prox...

CVE-2026-103930: Improper Neutralization of CRLF Sequences in HTTP Headers

cpp-httplib is a C++ header-only HTTP/HTTPS library. From 0.29.0 until 0.51.0, Client::openstream in httplib.h accepts a caller-controlled path that reaches detail::writerequestline without the detail::encodepath protection used by the ordinary buffered request path. Raw carriage-return and...

PT-2026-114315

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description Enabling CURLOPT CRLF allows for command injection during IMAP APPEND operations. When transmitting line-ending expanded data, curl advertises the raw input byte count in the IMAP APPEND N...