gcdRadar
archive/Patch now/AIR-2023-0058
closedclosed 15 Aug 2023Patch now2 Disclosed vulnerabilityAI

CVE-2023-39659: LangChain vulnerable to arbitrary code execution

langchain

A remote code execution vulnerability affects LangChain versions prior to 0.0.325 through the PythonAstREPLTool component. A patch was provided by the maintainers.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
9.8
EPSS
0.02 · top 25% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
15 Aug 2023
last update
15 Aug 2023
CVE ids
CVE-2023-39659other records

Timeline · 2

  1. 15 Aug 2023CVE-2023-39659: LangChain vulnerable to arbitrary code execution
  2. 15 Aug 2023CVE-2023-39659: An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script…

Sources · 2

Advisories and databases

  1. 2023-08-15
    CVE-2023-39659: LangChain vulnerable to arbitrary code execution
    GitHub Advisory Database · github.com/advisories/GHSA-prgp-w7vf-ch62
  2. 2023-08-15
    CVE-2023-39659: An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script…
    NVD · nvd.nist.gov/vuln/detail/CVE-2023-39659

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
rce
dates
happened 15 Aug 2023 · first reported 15 Aug 2023
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2023-39659: LangChain vulnerable to arbitrary code execution

https://gcdradar.vercel.app/incidents/cve-2023-39659-langchain-vulnerable-to-arbitrary-code-execut · AIR-2023-0058 · closed 2023-08-15

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2023-08-15
- AI role: Attack on AI
- Products: langchain
- CVE ids: CVE-2023-39659
- CVSS: 9.8

## Summary

A remote code execution vulnerability affects LangChain versions prior to 0.0.325 through the PythonAstREPLTool component. A patch was provided by the maintainers.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2023-08-15: CVE-2023-39659: An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script… (https://nvd.nist.gov/vuln/detail/CVE-2023-39659)
- 2023-08-15: CVE-2023-39659: LangChain vulnerable to arbitrary code execution (https://github.com/advisories/GHSA-prgp-w7vf-ch62)

## Sources

- 2023-08-15 GitHub Advisory Database: CVE-2023-39659: LangChain vulnerable to arbitrary code execution https://github.com/advisories/GHSA-prgp-w7vf-ch62
- 2023-08-15 NVD: CVE-2023-39659: An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script… https://nvd.nist.gov/vuln/detail/CVE-2023-39659

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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