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CVE-2026-114510— Flexible GraphRAG: Cypher/Graph Injection via broken string-escaping in FalkorDB adapter (_escape()) - full graph wipe from ingested-document content

Quick assessment

Affected
stevereiner flexible-graphrag
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Flexible GraphRAG 是一个用于构建图数据库与检索增强生成（RAG）应用的 Python 框架，支持多种图、向量及搜索后端。在从 0.6.0 到 0.8.2 的版本中，位于 的 辅助函数在将引号转义之前先对反斜杠进行了转义，随后将结果拼接到由 组装的 Cypher 查询语句中。这种处理方式导致插入的转义字符被重复处理，并使得引号提前终止字符串。当配置为 且 时，攻击者可操控被摄入的文档内容，诱导提取模型生成恶意的实体或关系值，这些值会传入上述查询语句，从而注入恶意 Cypher 子句，修改或删除图数据

CVSS 7.1 · High
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I. Basic Information for CVE-2026-114510

Vulnerability Information
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Vulnerability Title
Flexible GraphRAG: Cypher/Graph Injection via broken string-escaping in FalkorDB adapter (_escape()) - full graph wipe from ingested-document content
Source: CVE Program / CVE List V5
Vulnerability Description
Flexible GraphRAG is a Python framework for building graph and retrieval-augmented generation applications across multiple graph, vector, and search backends. From 0.6.0 until 0.8.2, the _escape() helper in flexible-graphrag/langchain/graph/pg_store_adapters/falkordb_adapter.py escapes quotes before backslashes and then interpolates the result into Cypher assembled by FalkorDBAdapter.add_graph_documents, allowing an inserted escape to be doubled and a quote to terminate the string early. When GRAPH_BACKEND=langchain and GRAPH_DB=falkordb are configured, attacker-influenced ingested document content can cause the extraction model to produce malicious entity or relationship values that reach these queries, allowing injected Cypher clauses to modify or delete graph data and, when the calling code surfaces query results to the user or LLM, disclose graph data. Dynamic node and relationship type identifiers are also inserted into backtick-quoted query positions without safe parameterization. The LlamaIndex FalkorDB store is not affected. This issue is fixed in version 0.8.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
stevereiner flexible-graphrag >= 0.6.0, < 0.8.2 -

II. Public POCs for CVE-2026-114510

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III. Intelligence Information for CVE-2026-114510

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Other References for CVE-2026-114510 (3)

IV. Related Vulnerabilities

Same weakness: CWE-116

V. Comments for CVE-2026-114510

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