Tag: marimo

5 articles

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Skilled Human Attackers Exploit Marimo Flaw to Reach SSH Bastion in 8 Seconds

In a stunning display of speed, a skilled human attacker exploited a flaw in Marimo to breach a secure SSH bastion in just 8 seconds - a pace typically associated with AI-assisted attacks. This remarkable feat was made possible by a pre-authenticated remote code execution bug, CVE-2026-39987, with a near-perfect CVSS score of 9.3.

Analyst 207
Rows of computer servers and networking equipment in a data center with a laptop on a technician's workstation.

Human Exploits Marimo Flaw to Breach SSH Bastion Host in 8 Seconds

In just 8 seconds, a human attacker exploited a vulnerability in Marimo notebooks to breach an SSH bastion host, showcasing the alarming speed and ease of lateral movement within compromised systems. This lightning-fast breach was achieved without the aid of AI tools, highlighting the severity of the CVE-2026-39987 flaw.

Analyst 207
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Hackers exploit Marimo flaw to spread NKAbuse malware via Hugging Face

Hackers are exploiting a critical flaw in Marimo's reactive Python notebook to spread a new variant of NKAbuse malware, sneaking malicious payloads onto Hugging Face Spaces, a popular platform for sharing machine learning models. This alarming attack highlights the need for vigilance when it comes to defending against malware disguised as code-sharing tools.

Analyst 207
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Marimo Flaw Exploited for Credential Theft in Active Attacks

A critical vulnerability in Marimo is being actively exploited by attackers to steal sensitive credentials, and it requires no prior authentication to run code remotely. This flaw has severe consequences for organizations using Marimo, making it essential to take immediate action.

Analyst 207
A fragile, moss-like sphere cracked and broken on a dark surface, surrounded by eerie glows of screens.

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 remote code execution, putting all Marimo versions prior to the disclosed fix at risk.

Analyst 207