[daily secrets] Daily Secrets Analysis Report - 2026-09-12 #60444

🔐 Daily Secrets Analysis Report

Date: 2026-09-12
Workflow Files Analyzed: 299
Run: https://github.com/github/gh-aw/actions/runs/34708829303

📊 Executive Summary

• Total Secret References: 10,307 (secrets.*)
• GitHub Token References: 1,916 (github.token)
• Unique Secret Types: 42
• Job-Level Usage: 0 (0%)
• Step-Level Usage: 4,561 (100%)

🛡️ Security Posture

✅ Redaction System: 299/299 workflows have redaction steps (100%)
✅ Token Cascades: 1,014 instances of fallback chains (GH_AW_GITHUB_MCP_SERVER_TOKEN || secrets.GH_AW_GITHUB_TOKEN || secrets.GITHUB_TOKEN)
✅ Permission Blocks: 299 explicit permission definitions (1 per workflow)
✅ Template Injection Check: TestCompiledLockFiles_NoGitHubEventExpressionsInRunScripts — PASS, no direct github.event.* interpolation found in run: scripts
✅ Secrets-in-Outputs Check: TestCompiledLockFiles_NoSecretsInOutputs — PASS, no secret values exposed via job/workflow_call outputs

🎯 Key Findings

1. 100% redaction coverage: Every compiled lock file includes a redact_secrets step, confirming the secret-masking safeguard is applied repo-wide with no gaps.
2. Token usage is dominated by GitHub auth tokens: GITHUB_TOKEN (5,348), GH_AW_GITHUB_TOKEN (4,557), and GH_AW_GITHUB_MCP_SERVER_TOKEN (1,945) together account for the vast majority of all secret references — expected given the token-cascade pattern used for MCP server authentication.
3. Observability secrets are the next largest category: OpenTelemetry/Sentry/Grafana related secrets (GH_AW_OTEL_SENTRY_AUTHORIZATION, GH_AW_OTEL_SENTRY_ENDPOINT, GH_AW_OTEL_GRAFANA_AUTHORIZATION, GH_AW_OTEL_GRAFANA_ENDPOINT) total ~1,984 references, reflecting broad tracing instrumentation across workflows.
4. AI engine credentials are present but bounded: OPENAI_API_KEY (398), CODEX_API_KEY (397), and ANTHROPIC_API_KEY (255) appear consistently, consistent with the number of workflows configured to use those engines.
5. All secret usage is step-scoped: No job-level env: blocks reference secrets directly — every reference is injected at the step level, which is the narrower, more auditable scope and reduces blast radius if a step's output is inadvertently logged.
6. No anomalies detected: Both automated Go-based security checks (template injection in run scripts, secret leakage via outputs) passed cleanly with zero findings.

💡 Recommendations

1. Maintain step-level scoping discipline: Continue avoiding job-level env: secret assignments in new/updated workflows — the current 100% step-level pattern should be preserved via code review or CI gating.
2. Keep token-cascade pattern as the default: The GH_AW_GITHUB_MCP_SERVER_TOKEN || secrets.GH_AW_GITHUB_TOKEN || secrets.GITHUB_TOKEN fallback chain (1,014 uses) is a good least-privilege pattern; ensure new MCP-based workflows adopt it rather than hardcoding secrets.GITHUB_TOKEN directly.
3. Periodically re-run the two Go security tests in CI (TestCompiledLockFiles_NoGitHubEventExpressionsInRunScripts, TestCompiledLockFiles_NoSecretsInOutputs) as part of the compile/release pipeline to catch regressions before merge, not just in this daily audit.

Generated: 2026-09-12 17:42 UTC
Workflow: Daily Secrets Analysis Agent

Generated by 🔒 Daily Secrets Analysis Agent · copilot · auto · 27.9 AIC · ⌖ 7.37 AIC · ⊞ 9.5K · ◷

• expires on Sep 15, 2026, 9:44 AM UTC-08:00