CVE-2026-54033

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, LibreChat allows users to configure custom OpenAI-compatible API endpoints by setting a baseURL. This URL is used to construct HTTP requests without any SSRF validation — no private IP check, no scheme restriction, no DNS pinning. An authenticated user can set baseURL to internal network addresses. This vulnerability is fixed in 0.8.4-rc1.

Score
CVSS 3.1 7.7 High
Status
Analyzed - security-advisories@github.com
Published
2026-06-25
Last modified
2026-10-25
Weaknesses
CWE-918

Affected products

References

 
 
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