Is there a public exploit for CVE-2026-75149?

No public exploit for CVE-2026-75149 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-75149?

CVE-2026-75149 scores CVSS 8.7 (v4.0), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.96%.

What does CVE-2026-75149 affect?

CVE-2026-75149 affects marimo-team marimo.

8.7 High

marimo before 0.23.15 contains a code injection vulnerability in the notebook configuration handler that allows attackers to execute…

CVE-2026-75149

marimo before 0.23.15 contains a code injection vulnerability in the notebook configuration handler that allows attackers to execute arbitrary commands by supplying a crafted MCP server entry with an attacker-controlled command value embedded in a notebook. When the notebook is opened in edit mode, marimo launches the specified command as a local subprocess before any notebook cell is executed, requiring no authentication or cell execution to trigger the vulnerability.

Assessment

CVSS: 8.7 (v4.0)
Severity: High
EPSS: 0.96% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 19 August 2026
Last updated: 8 November 2026
Affected: marimo-team · marimo
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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