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fix(ci): prevent shell injection in claude-code workflow #252

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Merged
thebiglabasky merged 1 commit into from
Apr 8, 2026
Merged

fix(ci): prevent shell injection in claude-code workflow #252

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15 changes: 9 additions & 6 deletions .github/workflows/claude-code.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -25,15 +25,18 @@ jobs:
env:
ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
# Pass attacker-controlled fields via env to avoid shell injection.
# GitHub Actions template expansion (${{ ... }}) is substituted into
# the run script verbatim, so interpolating issue/comment content
# directly would allow command injection. Env vars are expanded by
# bash at runtime and are not re-parsed.
ISSUE_BODY: ${{ github.event.issue.body || github.event.comment.body }}
ISSUE_NUMBER: ${{ github.event.issue.number }}
ISSUE_TITLE: ${{ github.event.issue.title }}
run: |
# Install Claude Code
curl -fsSL https://claude.ai/install.sh | bash

# Get issue content
ISSUE_BODY="${{ github.event.issue.body || github.event.comment.body }}"
ISSUE_NUMBER="${{ github.event.issue.number }}"
ISSUE_TITLE="${{ github.event.issue.title }}"


# Create branch name
BRANCH_NAME="claude/issue-${ISSUE_NUMBER}"

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