by Kastro
Paper/Archive/CVE-2026-30623

CVE-2026-30623

mitre — LiteLLM 1.18.10 contains a remote code execution vulnerability in its MCP server creation functionality.

EPSS 5%CVSS 9.8
critical.is priorityof 100
48
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 92.2.922 × 2018.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/BerriAI/litellmrefox.security/blog/mcp-supply-chain-advisory-rce-vulnerabilities-across-the-ai-ecosystemrefdocs.litellm.ai/blog/mcp-stdio-command-injection-april-2026