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CVE-2024-27444 — Vulnerability in langchain-experimental — CVE Details

CRITICAL

LangChain Experimental vulnerable to arbitrary code execution

Published June 29, 2026Updated July 1, 2026Source: osv

Summary

langchain_experimental (aka LangChain Experimental) before 0.0.52, part of LangChain before 0.1.8, allows an attacker to bypass the CVE-2023-44467 fix and execute arbitrary code via the `__import__`, `__subclasses__`, `__builtins__`, `__globals__`, `__getattribute__`, `__bases__`, `__mro__`, or `__base__` attribute in Python code. These are not prohibited by `pal_chain/base.py`.

Advisory Timeline

  • First published June 29, 2026 (105 days ago).
  • Last revised July 1, 2026 — 2 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update langchain-experimental to 0.0.52 or later
pip install "langchain-experimental>=0.0.52"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
langchain-experimental
pypi
0.0.1, 0.0.10, 0.0.11, 0.0.12 (+50 more)0.0.52

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2024-27444?
LangChain Experimental vulnerable to arbitrary code execution This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2024-27444?
CVE-2024-27444 affects langchain-experimental. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-27444 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-375
GHSA-v8vj-cv27-hjv8

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