CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-39987link is external Marimo Remote Code Execution Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses...

Marimo Remote Code Execution Vulnerability

Marimo contains an pre-authorization remote code execution vulnerability, allowing an unauthenticated attacked to shell access and execute arbitrary system commands...

Exploit for CVE-2026-39987

CVE-2026-39987 marimo is a reactive Python notebook. Prior to...

Exploit for CVE-2026-39987

CVE-2026-39987 — Marimo Python Notebook Pre-Authenticated Remo...

The vulnerability of the validate_auth() function in the framework for working with Marimo data allows a perpetrator to compromise the confidentiality, integrity, and accessibility of the information.

The vulnerability of the validateauth function in the Marimo framework relates to the lack of authentication for critical functions. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of information...

PT-2026-33169

🔴 SharePoint CVE-2026-32115 is under active exploitation. Patch now. 🔴 Marimo CVE-2026-29104 targets exposed notebooks for cloud credential theft. 🟡 108 malicious Chrome extensions stole Google and Telegram data. https://t.co/pBWq66uIkZ...

Exploit for CVE-2026-39987

CVE-2026-39987 | Marimo Pre-Auth RCE Exploit Military Grade...

Exploit for CVE-2026-39987

markdown CVE-2026-39987 - Marimo Este script es SOLO para f...

Marimo Vulnerable Version Scanner

Marimo versions prior to 0.23.0 suffer from a remote code execution vulnerability. This tool scans the version to see if your installation is susceptible but does not provide any exploitation functionality...

Marimo RCE Flaw CVE-2026-39987 Exploited Within 10 Hours of Disclosure

A critical security vulnerability in Marimo, an open-source Python notebook for data science and analysis, has been exploited within 10 hours of public disclosure, according to findings from Sysdig. The vulnerability in question is CVE-2026-39987 CVSS score: 9.3, a pre-authenticated remote code...

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...

CVE-2026-39987 marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

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...

CVE-2026-39987

CVE-2026-39987 — Marimo WebSocket terminal endpoint unauthenticated pre-auth RCE. The vulnerability resides in the terminal WebSocket at /terminal/ws, which accepts connections without authenticating, unlike the /ws endpoint that invokes validate_auth(). An unauthenticated client can obtain a ful...

CVE-2026-39987 marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

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...

EUVD-2026-20980

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...

CVE-2026-39987 marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

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...

marimo 访问控制错误漏洞

Marimo is an open-source interactive Python notebook that supports reactive programming and SQL queries. Versions of Marimo prior to 0.23.0 contained a access control vulnerability. This vulnerability stemmed from the lack of authentication for the terminal WebSocket endpoint, allowing...

VulnCheck KEV: CVE-2026-39987

Marimo contains an pre-authorization remote code execution vulnerability, allowing an unauthenticated attacked to shell access and execute arbitrary system commands...

GHSA-2679-6MX9-H9XC Marimo: Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

Summary Marimo 19.6k stars 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 WebSocket endpoints e.g., /ws that correct...

Missing Authentication for Critical Function

Overview marimo is an A library for making reactive notebooks and apps Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the terminal/ws WebSocket endpoint, which lacks authentication validation. An unauthenticated attacker can gain unauthorized...