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CVE-2025-67644

LangGraph SQLite Checkpoint is vulnerable to SQL Injection via metadata filter key in checkpointer list method

HIGH
7.8
CVSS Score
Published: December 10, 2025 at 11:37 PM UTC
Updated: October 8, 2026 at 10:10 AM UTC
2 products affected across 2 vendorsLanggraph Check Point SqliteLangGraph

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Severity
HIGH7.8
Exploit prediction
EPSS 2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Langgraph Check Point Sqlite· Langchainpypi
95%
v < 3.0.1
LangGraph· Langchain AI
60%
v < 3.0.1
Affected range stops below 3.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-89

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