CVE-2026-39987 is a vulnerability tracked across 7 threat clusters and 20 intelligence report mentions on ThreatCluster. First observed April 11, 2026; most recent activity June 23, 2026.
A critical pre-authentication remote code execution (RCE) vulnerability in Marimo, an open-source Python notebook platform, was disclosed on April 8, 2026, and exploited within 9 hours and 41 minutes. The vulnerability,…
On April 8, 2026, a critical pre-authenticated remote code execution vulnerability (CVE-2026-39987) was disclosed in Marimo, an open-source Python notebook platform. The flaw allows unauthenticated attackers to gain a…
A critical vulnerability in the Marimo Python notebook framework, tracked as CVE-2026-39987, allows attackers to execute arbitrary commands remotely without authentication. The flaw, stemming from a missing…
A critical vulnerability in the marimo Python notebook platform, tracked as CVE-2026-39987, has been actively exploited to deploy a new variant of NKAbuse malware. The flaw allows for remote code execution without…
OrcaRouter Security Research released its AI Threat Report 2026, identifying prompt injection as the leading risk to large language model (LLM) applications, with a 340% increase in such attacks year-over-year. The…
On May 10, 2026, threat actors exploited CVE-2026-39987, a remote code execution vulnerability in the marimo notebook environment, to gain unauthorized access to internal databases. The attackers utilized a large…
As of February 12, 2026, organizations worldwide are experiencing an average of 2,090 cyber-attacks per week, largely driven by ransomware incidents. This increase highlights the ongoing challenges faced by businesses…