CVE-2023-38860

LangChain vulnerable to arbitrary code execution

9.8 CriticalFix available

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.42%Up 1.4 points since Aug 16, 2023

What each source reports

NVD Score used 9.8

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: CVE-2023-38860
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

CVE List No score

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: CVE-2023-38860
Updated: 2026-11-02

EUVDEUVD-2023-0113 No score

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: EUVD-2023-0113
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fj32-q626-pjjc 9.3

LangChain vulnerable to arbitrary code execution

An issue in LangChain prior to v.0.0.247 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: GHSA-fj32-q626-pjjc
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSVGHSA-fj32-q626-pjjc 9.3

LangChain vulnerable to arbitrary code execution

An issue in LangChain prior to v.0.0.247 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: GHSA-fj32-q626-pjjc
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-94
Updated: 2026-11-02

OSVPYSEC-2023-145 9.8

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: PYSEC-2023-145
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSV No score

An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter.

Record: CVE-2023-38860
Updated: 2026-11-02

Affected products

langchain

Affected packages

Affected packages
Package	Affected	Fixed
`langchain` PyPI	before 0.0.247	0.0.247
`langchain` PyPI	before 0.0.247, plus listed versions 0.0.10.0.100.0.1000.0.1010.0.101rc0 Show 45 moreShow less 0.0.1020.0.102rc00.0.1030.0.1040.0.1050.0.1060.0.1070.0.1080.0.1090.0.110.0.1100.0.1110.0.1120.0.1130.0.1140.0.1150.0.1160.0.1170.0.1180.0.1190.0.120.0.1200.0.1210.0.1220.0.1230.0.1240.0.1250.0.1260.0.1270.0.1280.0.1290.0.130.0.1300.0.1310.0.1320.0.1330.0.1340.0.1350.0.1360.0.1370.0.1380.0.1390.0.140.0.1400.0.141	0.0.247

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-38860 is a critical vulnerability (CVSS 9.8) in Langchain, published August 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.42%, the 72nd percentile. Fixed in langchain 0.0.247.

References

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This page doesn't list everything

Left out here: 200 versions. The JSON record has them.