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CVE-2025-67644— LangGraph SQLite Checkpoint is vulnerable to SQL Injection via metadata filter key in checkpointer list method

Quick assessment

Affected
langchain-ai langgraph
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

langgraph是LangChain开源的一个大模型框架。 langgraph 3.0.0及之前版本存在SQL注入漏洞，该漏洞源于未验证元数据过滤键，可能导致SQL注入攻击。

CVSS 7.3 · High EPSS 2.25% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-67644

Vulnerability Information
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Vulnerability Title
LangGraph SQLite Checkpoint is vulnerable to SQL Injection via metadata filter key in checkpointer list method
Source: CVE Program / CVE List V5
Vulnerability Description
LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). Versions 3.0.0 and below are vulnerable to SQL injection through the checkpoint implementation. Checkpoint allows attackers to manipulate SQL queries through metadata filter keys, affecting applications that accept untrusted metadata filter keys (not just filter values) in checkpoint search operations. The _metadata_predicate() function constructs SQL queries by interpolating filter keys directly into f-strings without validation. This issue is fixed in version 3.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
langgraph SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
langgraph是LangChain开源的一个大模型框架。 langgraph 3.0.0及之前版本存在SQL注入漏洞，该漏洞源于未验证元数据过滤键，可能导致SQL注入攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
langchain-ai langgraph < 3.0.1 -

II. Public POCs for CVE-2025-67644

# POC Description Source Link Shenlong Link
1 None https://github.com/mbanyamer/CVE-2025-67644-LangGraph-3.0.1-SQLite-Checkpoint-SQL-Injection POC Details
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Qwen3.6-35B-A3B · 9483 chars
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III. Intelligence Information for CVE-2025-67644

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Patches & Fixes for CVE-2025-67644 (1)

Vendor Advisories for CVE-2025-67644 (1)

IV. Related Vulnerabilities

Same product: langgraph
Same vendor: langchain-ai
Same weakness: CWE-89

V. Comments for CVE-2025-67644

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