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LightRAG: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

CVSS 3.1 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-85709

Published

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in document_routes.py, graph_routes.py, query_routes.py, ollama_api.py, and lightrag_server.py. The detail=str(e), detail=str(exc), and equivalent formatted-message paths expose server filesystem paths, database host, port, user, and database names, language-model provider diagnostics, configuration details, and Python library internals to a network client that can trigger an error. The default unauthenticated configuration makes those responses reachable without credentials, and URI-configured backends can disclose connection strings containing credentials depending on the underlying driver error. This issue is fixed in version 1.5.5.

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Affected versions, risk and source history

cve-program · CVE-2026-85709

Published

LightRAG

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "HKUDS",
                    "product": "LightRAG",
                    "versions": [
                        {
                            "version": "< 1.5.5",
                            "status": "affected"
                        }
                    ]
                }

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Sources read 12 Nov 22:49 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current