CVE-2026-39987

CVE-2026-39987 — Marimo Pre-Auth RCE /terminal/ws 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 contents Vulnerability...

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-2026-39987

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

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...

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...

UBUNTU-CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987 PoC Summary Marimo = 0.20.4 is affected...

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...

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...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987 — Marimo Pre-Auth RCE via Terminal WebSocket...

Malicious code in newtun (npm)

Source: amazon-inspector adc90e76cf26bdb3145704cfb477f3a5215670556d03ff2959dde595a8bb0598 The newtun CLI opens a plaintext WebSocket to the hardcoded server pull.7ii.win:7999 and hands the remote peer complete control of the installer's host. On TERMOPEN messages the client calls pty.spawnshell,...

Marimo Terminal WebSocket Pre-Auth RCE (CVE-2026-39987)

Exploits CVE-2026-39987 in Marimo = 0.20.4 patched in 0.23.0: the /terminal/ws endpoint accepts unauthenticated WebSocket connections and spawns a PTY shell pty.fork with no validateauth check. Opens an interactive httpcmd session by default; optional COMMAND for one-shot execution or framework...

Malicious code in gpt-terminal-cli (npm)

Source: amazon-inspector cefb2fc03ba2c4d843d8f15257be48318cde8e611cc3c80002f735af489a0f0a Package advertises itself as an AI chat CLI but its scripts.postinstall runs src/postinstall.js, which spawns src/implant/loader.js as a detached background daemon WORMGPTDAEMON=1, stdio ignored, windowsHide...

MAL-2026-13428 Malicious code in @love-moon/conductor-cli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7ea5d4f1af0a0b67e6f74bfb45867ce0b33136083138e3c23a56df03d8b5c902 The conductor daemon command bin/conductor-daemon.js - src/daemon.js opens a WebSocket to https://conductor.conductor-ai.top or a user-configured...

MAL-2026-10720 Malicious code in @vibelet/cli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3f3dc6503f9f63413994c6d0b2e19f22ebcf17f5e7ba9f713ce26ecf69c92c6c The @vibelet/cli package ships a daemon bundle dist/index.cjs, invoked by the vibelet bin and by vibelet start/restart/reset that starts an...

EUVD-2026-42722

Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-39987

marimo is a reactive Python notebook. Prior to 0.23.0, Marimo has a Pre-Auth RCE vulnerability. The terminal WebSocket endpoint /terminal/ws lacks authentication validation, allowing an unauthenticated attacker to obtain a full PTY shell and execute arbitrary system commands. Unlike other WebSock...