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critical vulnerability

Guardrails AI contains a code injection vulnerability in its Hub package installation mechanism

No fix yetCritical · CVSS 9.8EPSS 0.64%

Published May 12, 2026 · 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

PyPIguardrails-ai26,956 downloads/week

Vulnerable versions
<= 0.6.7
Fixed in
no fix yet

Check your project: pip show guardrails-ai

Sources

CWE-94 Improper Control of Generation of Code ('Code Injection')

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