CVE-2026-30623
CriticalLiteLLM 1.18.10 contains a remote code execution vulnerability in its MCP server creation functionality.
Published Jul 15, 2026 · Updated Jul 16, 2026 · Also known as EUVD-2026-44846, GHSA-gw7c-8jfv-4mj2
Key Facts
Patch in the next maintenance window- CVE-2026-30623 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting n/a.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 5.0% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
5.0%
Higher than 92.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| n/a | See advisory | n/a |
Timeline
Publicly disclosed
Jul 15, 2026
Last updated
Jul 16, 2026
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
FAQ
Common Questions.
LiteLLM 1.18.10 contains a remote code execution vulnerability in its MCP server creation functionality.
Affected: n/a. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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