chore(ci): set top-level permissions on workflows#308
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Set an explicit least-privilege permissions block so the workflow GITHUB_TOKEN is scoped to contents: read instead of inheriting the repository default. Signed-off-by: Arpit Jain <arpitjain099@gmail.com>
rossbar
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Jun 2, 2026
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There's already a PR open for this - please consolidate
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Apologies for the duplicate - you're right. #307 is the older PR for this and I'm consolidating there, so I'm closing this one. Thanks for catching it. |
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I work on software supply chain security and have been hardening GitHub Actions workflows across OSS projects.
Each of these workflows runs without a top-level
permissions:block, so itsGITHUB_TOKENinherits the repository (or org) default, which is frequently read/write for all scopes. This PR setspermissions: contents: readat the workflow level for.github/workflows/ci_tests_run_notebooks.yml,.github/workflows/circleci-artifacts-redirector.yml, which is all these jobs need (checkout plus the build/test steps). Scoping the token to read-only shrinks what a compromised step or dependency can do, a concern made concrete by the March 2025tj-actions/changed-filescompromise (CVE-2025-30066), where a leaked write-scopedGITHUB_TOKENwas the blast radius.No job behavior changes; the steps already only read the repository.