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9.5CRITICAL

Critical Marimo pre-auth RCE flaw now under active exploitation

📅 12 April 2026 at 14:20 UTC📰 Bleeping ComputerView original source ↗
Critical Marimo pre-auth RCE flaw now under active exploitation

A critical pre-authentication remote code execution (RCE) vulnerability in Marimo is now under active exploitation, leveraged for credential theft. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A critical pre-authentication remote code execution (RCE) vulnerability in Marimo is currently being exploited for credential theft, posing a significant threat to affected systems.

⚙️Technical Details
Affected Systems
Marimo
Attack Vectors
pre-authentication RCE
💥Impact Assessment
Severity: C
Who Is at Risk
Users of Marimo with unpatched vulnerabilities
🛡️Recommended Actions
1Apply patches for the Marimo vulnerability as soon as possible
2Monitor system logs for suspicious activity
3Implement additional security measures, such as multi-factor authentication
📦Affected Products
Marimo

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