Harden GitHub Actions workflows per zizmor findings#1212
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- Pin all actions to commit SHAs (unpinned-uses) - Add top-level 'permissions: contents: read' to ci.yml (excessive-permissions) - Set 'persist-credentials: false' on remaining checkouts in ci.yml (artipacked) - Fix stale version comments on checkout pins in wheel-builder.yml (SHA df4cb1c0 is v6.0.3, not v4.2.2) https://claude.ai/code/session_0148cM5JsZTs8shcQDfnwxc6
reaperhulk
approved these changes
Jun 3, 2026
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Fixes the
unpinned-uses,excessive-permissions, andartipackedfindings from a zizmor (v1.25.2) scan of the workflows:actions/checkout,actions/setup-python,actions/cache,dessant/lock-threads)permissions: contents: readto ci.yml (the other workflows already had permissions blocks)persist-credentials: falseon the three checkout steps in ci.yml that were missing it# v4.2.2comments on the existing checkout pins in wheel-builder.yml — SHAdf4cb1c0is actually v6.0.3Also adds a 7-day dependabot
cooldownfor the github-actions ecosystem, so new action releases age a week before bump PRs are opened.Remaining zizmor findings (
unpinned-imageson pyca-owned containers, low-confidencecache-poisoningin ci.yml, and the guardedworkflow_runtrigger in pypi-publish.yml) were intentionally left as-is.https://claude.ai/code/session_0148cM5JsZTs8shcQDfnwxc6
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