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critical vulnerability

LangChain Experimental Eval Injection vulnerability

No fix yetCritical · CVSS 9.3EPSS 1.4%

Published Sep 19, 2024 · updated Oct 27, 2026

What to do

  1. Some affected packages have no fixed version yet: follow the advisory for mitigations and watch this page for the fix.
  2. Redeploy and restart long-running processes so they load the fixed code.

Affected packages

PyPIlangchain-experimental412,215 downloads/week

Vulnerable versions
>= 0.1.17, <= 0.3.0
Fixed in
no fix yet

Check your project: pip show langchain-experimental

Sources

CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

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