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fix(security): prevent prompt injection via GitHub event data in AI agent workflows #6228

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fix(security): prevent prompt injection via GitHub event data in AI agent workflows #6228

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8 changes: 3 additions & 5 deletions .github/workflows/discussion_answering.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,6 @@ jobs:
INTERACTIVE: 0
PYTHONPATH: contributing/samples/adk_team
run: |
# Write discussion data to temporary file to avoid secret masking issues
cat > /tmp/discussion.json << 'EOF'
${{ toJson(github.event.discussion) }}
EOF
python -m adk_answering_agent.main --discussion-file /tmp/discussion.json
# Security fix: Do not pass raw event data to agent prompt.
# Pass only the discussion number; agent fetches content via GitHub API.
python -m adk_answering_agent.main --discussion_number ${{ github.event.discussion.number || github.event.comment.discussion.number }}
4 changes: 2 additions & 2 deletions .github/workflows/triage.yml
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Expand Up @@ -61,8 +61,8 @@ jobs:
INTERACTIVE: 0
EVENT_NAME: ${{ github.event_name }} # 'issues', 'schedule', etc.
ISSUE_NUMBER: ${{ github.event.issue.number }}
ISSUE_TITLE: ${{ github.event.issue.title }}
ISSUE_BODY: ${{ github.event.issue.body }}
# ISSUE_TITLE removed: fetch via GitHub API in agent to prevent prompt injection
# ISSUE_BODY removed: fetch via GitHub API in agent to prevent prompt injection
ISSUE_COUNT_TO_PROCESS: '3' # Process 3 issues at a time on schedule
PYTHONPATH: contributing/samples/adk_team
run: python -m adk_triaging_agent.main
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