A newly discovered remote code execution (RCE) flaw in the open-source Python notebook platform Marimo was exploited in the wild less than 10 hours after its public disclosure, underscoring the growing sophistication and speed of threat actors in 2026. The critical vulnerability, initially tracked as GHSA-2679-6mx9-h9xc and later assigned CVE-2026-39987, carries a CVSS score of […] The post Marimo RCE Vulnerability Exploited Within 10 Hours of Public Disclosure appeared first on Cyber Security News.