A critical remote code execution (RCE) vulnerability in the open-source Python notebook platform Marimo was actively exploited less than 10 hours after its public disclosure. The flaw, initially tracked as GHSA-2679-6mx9-h9xc and later assigned CVE-2026-39987, carries a critical CVSS score of 9.3. It allows unauthenticated attackers to gain a full interactive shell on exposed Marimo […] The post Marimo RCE Vulnerability Exploited Within 10 Hours of Public Disclosure appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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