Marimo Notebook Flaw Could Run MCP Commands Before Cells Execute in Edit Mode
Marimo has addressed a high-severity security flaw in its notebook software that allowed an attacker to execute an attacker-supplied Model Context Protocol (MCP) command in a specially crafted notebook, according to VulnCheck's CVE Numbering Authority (CNA) record. The CNA record says the command can run as a local subprocess when the notebook is opened in edit mode. The vulnerability, tracked
What happened
Marimo has addressed a high-severity security flaw in its notebook software that allowed an attacker to execute an attacker-supplied Model Context Protocol (MCP) command in a specially crafted notebook, according to VulnCheck's CVE Numbering Authority (CNA) record. The CNA record says the command can run as a local subprocess when the notebook is opened in edit mode. The vulnerability, tracked
Why it matters
The incident may affect operational continuity, asset safety or trust around Security. Watch for verified scope and remediation.
Affected entities
View evidence
1 reports · 1 original report · 1 independent
- The Hacker NewsPrimary source · Supports · EN · 100%Marimo Notebook Flaw Could Run MCP Commands Before Cells Execute in Edit Mode ↗
Claims
- Marimo Notebook Flaw Could Run MCP Commands Before Cells Execute in Edit Mode Reported
Conflicts
No material conflict detected in the available evidence.
Timeline
- First reported
Market move following event
Market reaction is not yet available for this asset and time window.