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critical vulnerability

imgaug contains an insecure deserialization vulnerability in BackgroundAugmenter class within multicore.py module

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

imgaug

<= 0.4.0
no fix yet

Check your project: pip show imgaug

Sources

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