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Harden CI workflow token scope with explicit least-privilege permissions - #26

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fupacat merged 4 commits into
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copilot/fix-code-scanning-alerts
Oct 12, 2026
Merged

fupacat merged 4 commits into
masterfrom
copilot/fix-code-scanning-alerts

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Copilot AI commented Oct 12, 2026 •

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This PR addresses the code scanning finding on GitHub Actions workflow permissions by removing implicit token scope and declaring explicit minimal permissions in CI. The change is narrowly scoped to the existing CI workflow.

  • Alert remediation

    • Added an explicit workflow-level permissions block so GITHUB_TOKEN does not inherit broader repository/org defaults.
  • Workflow security posture

    • Set the token scope to read-only for repository contents, which matches current CI behavior (checkout + Maven build/test/package) and avoids unnecessary write privileges.
permissions:
  contents: read

Co-authored-by: fupacat <595487+fupacat@users.noreply.github.com>
Copilot AI changed the title [WIP] Fix code scanning alert(s) flagged in repository Harden CI workflow token scope with explicit least-privilege permissions Oct 12, 2026
Copilot AI requested a review from fupacat October 12, 2026 19:11
@fupacat
fupacat marked this pull request as ready for review October 12, 2026 20:08
Copilot AI balanced review requested due to automatic review settings October 12, 2026 20:08
@fupacat
fupacat enabled auto-merge (squash) October 12, 2026 20:09

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🟢 Approval recommended

The single-line contents: read permission is correctly placed and scoped, and matches every step in the workflow, which performs only checkout and read-only Maven builds.

0 open findings

What changed in this PR

This PR hardens the CI GitHub Actions workflow by replacing the implicit GITHUB_TOKEN scope with an explicit, workflow-level least-privilege permissions block. It remediates a code scanning finding about missing workflow token permissions. The contents: read scope matches the workflow's actual needs (checkout + Maven build/test/package), and no step requires write privileges, so the change is functionally safe.

Changes:

  • Added a top-level permissions block to .github/workflows/ci.yml scoping GITHUB_TOKEN to contents: read.
File Description
.github/​workflows/​ci.yml Declares explicit least-privilege token permissions (contents: read) at the workflow level to remove the implicit broad default scope.

🧠 Review effort: Balanced


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Copilot AI balanced review requested due to automatic review settings October 12, 2026 20:09
Copilot AI previously approved these changes Oct 12, 2026

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🟢 Approved

The read-only permissions block is syntactically valid and matches the workflow's checkout/build/test/package steps, which need no write scope.

0 open findings

🧠 Review effort: Balanced

Copilot AI balanced review requested due to automatic review settings October 12, 2026 20:19
Copilot AI dismissed their stale review, a newer Copilot review was requested October 12, 2026 20:19

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🟢 Approved

The one-line least-privilege permissions addition is valid YAML and matches the read-only needs of every CI step.

0 open findings

🧠 Review effort: Balanced

@fupacat
fupacat merged commit 9958f36 into master Oct 12, 2026
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@fupacat
fupacat deleted the copilot/fix-code-scanning-alerts branch October 12, 2026 20:21
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3 participants