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CRITICAL

CVE-2026-30623

CVSS v3

9.8

CRITICAL

EPSS Score

5.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

LiteLLM 1.18.10 contains a remote code execution vulnerability in its MCP server creation functionality. The application allows users to add MCP servers via a JSON configuration specifying arbitrary command and args values. LiteLLM executes these values on the host without validation, enabling attackers to run arbitrary operating system commands. Successful exploitation may result in remote code execution with the privileges of the LiteLLM process.

Technical details

Published
2026-07-15
Last Modified
2026-07-16

Frequently asked questions

What is CVE-2026-30623?

LiteLLM 1.18.10 contains a remote code execution vulnerability in its MCP server creation functionality. The application allows users to add MCP servers via a JSON configuration specifying arbitrary command and args values. LiteLLM executes these values on the host without validation, enabling attackers to run arbitrary operating system commands. Successful exploitation may result in remote code execution with the privileges of the LiteLLM process.

Is CVE-2026-30623 actively exploited?

Active exploitation of CVE-2026-30623 has not been confirmed. Its EPSS score was 5.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-30623?

CVE-2026-30623 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-30623 affecting your environment?

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