CVE-2026-75149 marimo < 0.23.15 Code Injection via MCP Server Configuration

marimo before 0.23.15 contains a code injection vulnerability in the notebook configuration handler that allows attackers to execute arbitrary commands by supplying a crafted MCP server entry with an attacker-controlled command value embedded in a notebook. When the notebook is opened in edit mod...

CVE-2026-75149 marimo < 0.23.15 Code Injection via MCP Server Configuration

marimo before 0.23.15 contains a code injection vulnerability in the notebook configuration handler that allows attackers to execute arbitrary commands by supplying a crafted MCP server entry with an attacker-controlled command value embedded in a notebook. When the notebook is opened in edit mod...

PT-2026-78557

Name of the Vulnerable Software and Affected Versions marimo versions prior to 0.23.15 Description A code injection flaw exists in the notebook configuration handler. Attackers can execute arbitrary commands by embedding a crafted MCP server entry with a controlled command value within a notebook...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

cve-2026-39987 Installation • Usage • Examples I...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987-Poc Proof o...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987 For Marimo 0.20.4 PoC ⚠️ This tool is int...

Insufficient Verification of Data Authenticity

Overview marimo is an A library for making reactive notebooks and apps Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via sanitizepyprojectdict in the PEP-723 script metadata handling path. An attacker can exfiltrate an operator’s API key by...

CVE-2026-67618 marimo < 0.23.15 API Key Exfiltration via Malicious Notebook PEP-723 Metadata

marimo before 0.23.15 contains a configuration injection vulnerability that allows notebook authors to exfiltrate operator API keys by embedding a malicious baseurl in PEP-723 inline script metadata, which is merged into session configuration with higher precedence than the operator's own setting...

CVE-2026-67618 marimo < 0.23.15 API Key Exfiltration via Malicious Notebook PEP-723 Metadata

marimo before 0.23.15 contains a configuration injection vulnerability that allows notebook authors to exfiltrate operator API keys by embedding a malicious baseurl in PEP-723 inline script metadata, which is merged into session configuration with higher precedence than the operator's own setting...

CVE-2026-67618

The vulnerability CVE-2026-67618 affects marimo before version 0.23.15. It stems from insufficient sanitization in sanitize_pyproject_dict, allowing a notebook author to inject a malicious base_url via PEP-723 inline script metadata. The attacker-controlled base_url is merged into session configu...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987 - marimo Terminal WebSocket Authentication Bypa...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

No d...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987 Marim...

PYSEC-2026-2619 marimo contains a reflected cross-site scripting vulnerability in the notebook page

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...

PT-2026-59272

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...

Marimo: Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

SummaryMarimo 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 correctly...

PYSEC-2026-407 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...

GHSA-8M59-7XV8-735H marimo contains a reflected cross-site scripting vulnerability in the notebook page

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...

EUVD-2026-37809

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...

marimo contains a reflected cross-site scripting vulnerability in the notebook page

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...