LLM Agent Enables Rapid Post-Exploitation in Marimo Networks

On May 10, 2026, a savvy attacker used a large language model agent to rapidly exploit a vulnerable Marimo instance, leveraging CVE-2026-39987 to spark a swift and damaging breach. This critical vulnerability allowed the attacker to execute arbitrary system commands, paving the way for cloud credential…

https://osintsights.com/llm-agent-enables-rapid-post-exploitation-in-marimo-networks?utm_source=mastodon&utm_medium=social

#MarimoNetworkExploitation #LargeLanguageModelAgent #Cve202639987 #Postexploitation #RemoteCodeExecution

⚠️ LLM-Agent bei realem Angriff: Nach Breach eines Marimo-Notebooks via CVE-2026-39987 (Pre-Auth RCE ≤0.20.4) stahlen Angreifer Cloud-Credentials, einen SSH-Key aus AWS Secrets Manager und exfiltrierten eine PostgreSQL-DB über 8 SSH-Sessions in unter 2 Minuten.

#CyberSecurity #Marimo #CVE202639987

Marimo Flaw CVE-2026-39987 Exploited Rapidly After Disclosure

A single line of code can drastically change the risk landscape for thousands of users - and that's exactly what happened with Marimo, an open-source Python notebook, when a critical vulnerability (CVE-2026-39987) was exploited just 10 hours after its disclosure. This severe flaw, with a CVSS score of 9.3, allows pre-authenticated…

https://osintsights.com/marimo-flaw-cve-2026-39987-exploited-rapidly-after-disclosure?utm_source=mastodon&utm_medium=social

#Cve202639987 #Marimo #RemoteCodeExecution #OpensourceSoftware #DataScience