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Over 10,000 Docker Hub images found leaking credentials, auth keys
(www.bleepingcomputer.com)
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this post was submitted on 11 Dec 2025
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Read the article so you don't have to:
Unlike the title suggests, the docker images they found won't leak your credentials when you use them, but already contain the credentials of whoever created the image (p.e. through
.envfiles that were accidentally added to the image).While it contains the valuable reminder to avoid long lived credentials (like API - keys) or use secrets-stores, this "leak" is on the same level as accidentally pushing confidential information to github IMHO.
Fix: have both
.gitignoreand.dockerignorefiles and make sure they both contain.env. You use.envand don't hardcode your secrets, right?My
.dockerignoreis a link to.gitignore.That's ... actually really clever! I'll steal that idea ๐
This 100%. For a little extra help, there are tools such as gitleaks to help. I suggest setting one up in a pre commit hook.
Also, don't rawdog publicly available docker images and make sure image scanning and vulnerability scans are part of your SDLC.