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Vulnerability record · CVE-2024-8309 · published 29 October 2024

CVE-2024-8309: Langchain sql injection vulnerability

Langchain · Langchain

A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.

9.8 CVSS 3.1 Critical EPSS 14% · top 3.6% CWE-89 · SQL injectionCWE-74 · Injection
9.8CVSS 3.1 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/langchain-ai/langchain/commit/c2a3021bb0c5f54649d380b42a0684ca5778c255 Patch
https://huntr.com/bounties/8f4ad910-7fdc-4089-8f0a-b5df5f32e7c5 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-2828Langchain server-side request forgery (ssrf) vulnerabilityA Server-Side Request Forgery (SSRF) vulnerability exists in the RequestsToolkit component of the langchain-community package (specifically, langchai…EPSS 21%9.8CVE-2024-7042Langchain sql injection vulnerabilityA vulnerability in the GraphCypherQAChain class of langchain-ai/langchainjs versions 0.2.5 and all versions with this class allows for prompt injecti…EPSS 0.31%9.8CVE-2024-2057Langchain server-side request forgery (ssrf) vulnerabilityA vulnerability was found in LangChain langchain_community 0.0.26. It has been classified as critical. Affected is the function load_local in the lib…EPSS 0.58%9.8CVE-2023-39631Langchain code injection vulnerabilityAn issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function in the numexpr library.EPSS 1.6%9.8CVE-2023-36281Langchain code injection vulnerabilityAn issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via a JSON file to load_prompt. This is related to __subclasses__ …EPSS 3.4%9.8CVE-2023-38896Langchain injection vulnerabilityAn issue in Harrison Chase langchain v.0.0.194 and before allows a remote attacker to execute arbitrary code via the from_math_prompt and from_colore…EPSS 1.8%9.8CVE-2023-39659Langchain injection vulnerabilityAn issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script to the PythonAstREPLT…EPSS 1.5%9.8CVE-2023-38860Langchain code injection vulnerabilityAn issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2024-8309), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.