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Vulnerability record · CVE-2026-30623 · published 15 July 2026

CVE-2026-30623: Command injection vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 5.0% · top 8.1% CWE-77 · Command injection Awaiting Analysis
9.8CVSS 3.1 base score
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
16 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://docs.litellm.ai/blog/mcp-stdio-command-injection-april-2026
https://github.com/BerriAI/litellm
https://www.ox.security/blog/mcp-supply-chain-advisory-rce-vulnerabilities-across-the-ai-ecosystem/

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Source: NIST National Vulnerability Database (record CVE-2026-30623), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.