CVE-2026-39987

CVE-2026-39987 For Marimo 0.20.4 PoC ⚠️ This tool is intended for educational purposes and authorized security testing only. The creator is not responsible for any unauthorized or illegal use. Use at your own risk. ⚠️ Info: CVE-2026-39987 is a critical pre-authentication Remote Code Execution RCE...

penelope

Penelope is a modern shell handler for penetration testers and CTF players. It provides a more capable alternative to basic netcat listeners, adding automatic PTY upgrades, session management, logging, file transfers and helper modules. Table of Contents 📥 Installation ⚙️ Features 🖥️ Session...

penelope

Penelope es un moderno manejador de shells para pentesters y jugadores de CTF. Proporciona una alternativa más capaz a los oyentes básicos de netcat, añadiendo actualización automática de PTY, gestión de sesiones, registro, transferencias de archivos y módulos auxiliares. Tabla de contenidos 📥...

CVE-2026-39987-PoC

CVE-2026-39987 PoC Summary Marimo = 0.20.4 is affected by a pre-authentication RCE vulnerability in the /terminal/ws WebSocket endpoint. The endpoint checks the application mode and terminal support, but does not validate authentication before accepting the WebSocket connection. It then creates a...

CVE-2026-54686-poc

CVE-2026-54686: Warp DCS Lifecycle Hook Spoofing PoC 日本語版はこちら Description This repository contains a safe local Proof of Concept for CVE-2026-54686 , based on Warp's public advisory GHSA-9w2v-jhww-vm85. Before the patched release, Warp accepted certain state-mutating DCS lifecycle hooks from the...

CVE-2026-39987

CVE-2026-39987 — Marimo Pre-Auth RCE /terminal/ws root@kitploit: CVSS 4.0 : 9.3 CRITICAL CVSS 3.x : 9.8 CRITICAL CWE : CWE-306 Missing Authentication for Critical Function Fix : Marimo 0.23.0+ Affects : Marimo Lab / authorized testing only HTB, CTF, engagement with written scope. Table of content...

pwncat

pwncat pwncat es una plataforma de post-explotación para objetivos Linux. Comenzó como un envoltorio alrededor de shells básicos bind y reverse y ha crecido desde entonces. Agiliza las operaciones comunes del equipo rojo mientras prepara código desde tu máquina atacante, no desde el objetivo...

pentestkoala

Koala es una versión modificada del servidor SSH dropbear que, en lugar de vincularse a un puerto, abre shells inversas conectándose a un cliente remoto. Esto es útil para obtener una terminal pty en una máquina explotada y también para la exfiltración segura de datos mediante redirección de...

Heroinn

Heroinn A cross platform C2/post-exploitation framework implementation by Rust. This project is for research and study purposes only, and any illegal behavior using this project has nothing to do with this project. Features GUI Interactive PTY shell System infomations collect File manager support...

CVE-2026-39987_POC

PoC — CVE-2026-39987 · Marimo Pre-Auth RCE CVSS 4.0: 9.3 Critical · AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H Affects: marimo 2 calls to...

play-go-copy-fail-cve-2026-31431

Play Go Copy Fail CVE-2026-31431 Purpose Learn linux syscall low-level Port python and c into golang Craft own payload then exploit as newbie Auto upgrade pty manually Inspiration tgies/copy-fail-c painoob/Copy-Fail-Exploit-CVE-2026-31431 Resource Linux Source Crypto...

CVE-2026-39987_exploit

🔥 CVE-2026-39987 | Marimo Pre-Auth RCE Exploit Exploitation Framework | Full Remote Code Execution RCE | WebSocket Auth Bypass 🧠 To know the commands more Open the file website.html 🎯 Overview This exploit targets Marimo applications running WebSocket on port 2718 default. The vulnerability allow...

CVE-2026-39987

CVE-2026-39987 — Marimo Python Notebook Pre-Authenticated Remote Code Execution TL;DR A pre-authenticated remote code execution vulnerability in Marimo , an open-source Python notebook for data science and AI/ML. The terminal WebSocket endpoint /terminal/ws completely skips authentication...

CVE-2026-39987

CVE-2026-39987 — Marimo Pre-Auth RCE For educational and authorized security research purposes only. Description Pre-authenticated Remote Code Execution in Marimo = 0.20.4. The WebSocket endpoint /terminal/ws skips authentication validation, allowing an unauthenticated attacker to obtain a full...

CVE-2026-39987

CVE-2026-39987 — Marimo Pre-Auth RCE via Terminal WebSocket root@kitploit: / / | / / / | \ / \ \ / / | // / \ / / | | / / // // / / // // \ / Status: Patched in 0.23.0 — marimo-team/marimo@c24d480 Vulnerability The /terminal/ws endpoint lacks the validateauth call present in every other authe...

CVE-2026-86121 Cua computer-server before 0.3.42 Unauthenticated RCE via Desktop Control

Cua computer-server versions before 0.3.42 skip authentication when the CONTAINERNAME environment variable is unset and bind to all interfaces by default, allowing unauthenticated attackers to execute arbitrary commands. Attackers can reach TCP port 8000 to run shell commands via the runcommand...

EUVD-2026-71953

Cua computer-server versions before 0.3.42 skip authentication when the CONTAINERNAME environment variable is unset and bind to all interfaces by default, allowing unauthenticated attackers to execute arbitrary commands. Attackers can reach TCP port 8000 to run shell commands via the runcommand...

EUVD-2026-67025

The executeruby tool is documented as a read-only Ruby sandbox and is enforced by a pattern denylist together with replacements for the process-spawning methods on Kernel. The pseudo-terminal library's spawn entry points are neither in the denylist nor replaced, so a normal tool call could reach...

CVE-2026-81097 rails-mcp-server 1.4.0 through 1.6.0 OS Command Execution via execute_ruby PTY Escape

The executeruby tool is documented as a read-only Ruby sandbox and is enforced by a pattern denylist together with replacements for the process-spawning methods on Kernel. The pseudo-terminal library's spawn entry points are neither in the denylist nor replaced, so a normal tool call could reach...

CVE-2026-81097

rails-mcp-server (versions 1.4.0 through 1.6.0 ) contains an OS command execution vulnerability in the execute_ruby tool. The tool is documented as a read-only Ruby sandbox enforced by a pattern denylist and replacements for process-spawning methods on Kernel , but the pseudo-terminal library's s...