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Vulnerability record · CVE-2023-38896 · published 15 August 2023

CVE-2023-38896: Langchain injection vulnerability

Langchain · Langchain

An 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_colored_object_prompt functions.

9.8 CVSS 3.1 Critical EPSS 1.8% · top 21.9% CWE-74 · Injection
9.8CVSS 3.1 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An 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_colored_object_prompt functions.

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/hwchase17/langchain/issues/5872 ExploitIssue TrackingPatch
https://github.com/hwchase17/langchain/pull/6003 Patch
https://twitter.com/llm_sec/status/1668711587287375876 Third Party Advisory
https://github.com/hwchase17/langchain/issues/5872 ExploitIssue TrackingPatch
https://github.com/hwchase17/langchain/pull/6003 Patch
https://twitter.com/llm_sec/status/1668711587287375876 Third 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-2024-8309Langchain sql injection vulnerabilityA vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulne…EPSS 14%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-2023-39659Langchain 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-2023-38896), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.