Remove Secrets from Kubernetes Config Files
Kubernetes YAML often mixes deployment structure with information that should stay inside the cluster: service tokens, API keys, base64-encoded passwords and private registry credentials. Before pasting a manifest into a support ticket or an AI assistant, remove those values without destroying the technical context.
Important: base64 is encoding, not encryption. A value under
data:may still be a recoverable credential.
What to review
SecretandstringDatafields containing passwords or tokens.- Environment variables such as
AWS_SECRET_ACCESS_KEY,GITHUB_TOKENor internal keys. - URLs with embedded usernames and passwords.
- ConfigMaps that contain private endpoints or authentication material.
The goal is to keep names, relationships and indentation readable while replacing the sensitive literals. Deleting entire blocks may look clean, but it can hide the cause of the issue you are trying to diagnose.
Sanitize before sharing
- Export a working copy of the manifest, never the file used by the cluster.
- Paste the copy into ScrubForge.
- Review the preview: keys and tokens should become consistent placeholders.
- Confirm that resource names, namespaces, ports and references remain visible.
- Share only the sanitized result and keep the original inside your secure environment.
ScrubForge processes the text locally in the browser. It detects common service-secret patterns and keeps the same token for the same match, so a reviewer can understand relationships without seeing the real value.
Before sharing the result
- Check comments: credentials can hide outside YAML values.
- Review base64: encoding does not make a secret safe to share.
- Read the output: ensure the YAML still explains the problem.
When sanitizing is not enough
If a real credential has already been published, treat it as compromised: revoke it and issue a replacement. Sanitizing prevents a new exposure, but it does not replace rotation or a review of cluster permissions.
Frequently asked questions
Does ScrubForge decode every Kubernetes secret?
It detects sensitive patterns and common formats, but you should still review organization-specific fields manually.
Is base64 safe to share?
No. Base64 is reversible encoding, not protection.
Is the manifest uploaded?
ScrubForge sanitizes it locally. You should still review the final text before sending it to any third party.