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6.1
docker-cli-buildx may miss escaping data in build scripts
published 1 month ago
Summary
The Docker build tool can mishandle special characters when template code uses branching, which might let unintended content slip into the final image. This could affect any images built with the tool, including those used with related utilities. Update to the newest version of docker-cli-buildx (or apply the vendor’s patch) to ensure proper content handling.
What to do
- Update cleanstart cri-tools to version 1.29.0-r5.
- Update cleanstart docker-cli-buildx to version 0.32.1-r0.
- Update docker-cli-buildx to version 0.32.1-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | cri-tools |
< 1.29.0-r5 Fix: upgrade to 1.29.0-r5
|
| CleanStart | cleanstart | docker-cli-buildx |
< 0.32.1-r0 Fix: upgrade to 0.32.1-r0
|
| CleanStart | – | docker-cli-buildx |
< 0.32.1-r0 Fix: upgrade to 0.32.1-r0
|
Original advisory text
Context was not properly tracked across template branches for JS template literals, leading to possibly incorrect escaping of content when branches were used
Security vulnerability affects the docker-cli-buildx package. Context was not properly tracked across template branches for JS template literals, leading to possibly incorrect escaping of content when branches were used.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published1 Oct 2026
Updated6 Oct 2026
First seen1 Oct 2026
Sources
CLEANSTART-2026-HM16976 · OSV
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