CVE-2025-67644: langgraph-checkpoi SQL Injection

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Weakness Type (CWE)

CWE-89 SQL Injection

Affected Products

Vendor	Product	Versions
langchain	langgraph-checkpoint-sqlite	< 3.0.1

References

Advisories & Patches

https://github.com/langchain-ai/langgraph/commit/297242913f8ad2143ee3e2f72e67db0911d48e2a https://github.com/langchain-ai/langgraph/security/advisories/GHSA-9rwj-6rc7-p77c

Exploits

https://github.com/langchain-ai/langgraph/security/advisories/GHSA-9rwj-6rc7-p77c

Frequently Asked Questions

What is CVE-2025-67644? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-67644? +

CVE-2025-67644 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-67644? +

CVE-2025-67644 affects products from langchain, specifically: langgraph-checkpoint-sqlite. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-67644? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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