fix: remove Docker layer cache from release workflows#2718
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…he poisoning Remove `cache-from: type=gha` and `cache-to: type=gha,mode=max` from both release.yml and release-main.yml to prevent potential cache poisoning attacks where a compromised GHA cache entry could inject malicious Docker layers into published container images. Ref: elastic/observability-robots#3264 Co-Authored-By: Claude Opus 4.6 <[email protected]>
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Pull request overview
Removes GitHub Actions (GHA) Docker layer caching from the release workflows to reduce the risk of cache poisoning when building/publishing docker.elastic.co/observability/apm-agent-dotnet.
Changes:
- Removed
cache-from: type=ghafrom Docker build/push steps in release workflows. - Removed
cache-to: type=gha,mode=maxfrom Docker build/push steps in release workflows.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| .github/workflows/release.yml | Removes GHA Docker layer cache usage from the release image build/push step. |
| .github/workflows/release-main.yml | Removes GHA Docker layer cache usage from the main-branch release image build/push step. |
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Mar 10, 2026
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Mar 10, 2026
…pm-agent-dotnet into fix/cache-poisoning-mitigation
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Pull request overview
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
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Co-authored-by: Copilot <[email protected]>
v1v
approved these changes
Mar 10, 2026
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Summary
cache-from: type=ghaandcache-to: type=gha,mode=maxfromrelease.ymlandrelease-main.ymldocker.elastic.co/observability/apm-agent-dotnetImpact
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