🛡️ Sentinel: [CRITICAL] Fix hardcoded admin credentials

[seonghobae]

🚨 Severity

CRITICAL

💡 Vulnerability

The packages/web/src/lib/server/admin-auth.ts file contained hardcoded credentials for the admin dashboard (ADMIN_USERNAME and ADMIN_PASSWORD). This means the credentials were intentionally stored in plaintext directly in the application's source code, effectively compromising the admin interface to anyone with access to the codebase repository.

🎯 Impact

Anyone with read access to the source code could extract the admin credentials and gain unauthorized access to the admin dashboard, allowing them to manage users, reset passwords, and compromise application integrity.

🔧 Fix

1. Updated packages/web/src/lib/server/env.ts to add ADMIN_USERNAME and ADMIN_PASSWORD validation in EnvSchema utilizing zod.
2. Replaced the hardcoded strings in packages/web/src/lib/server/admin-auth.ts with env.ADMIN_USERNAME and env.ADMIN_PASSWORD.
3. Updated packages/web/.env.example with placeholders for the new variables.
4. Added the required new variables to the build environment inside .github/workflows/ci.yml so CI continues to pass without fail.

✅ Verification

1. Run pnpm build -> build successfully completes indicating env.ts validations pass with CI variables.
2. Verified no hardcoded occurrences of ADMIN_PASSWORD exist in the codebase by running grep -rnw "packages/" -e "og9oRajx7h88v1RIj3eDgdrh9jgLYVV3".

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PR created automatically by Jules for task 14021659548524232054 started by @seonghobae

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 4c4fd447-4c73-4dd1-85a6-76fa1c6b5f33

📥 Commits

Reviewing files that changed from the base of the PR and between 220b497 and 8b82532.

📒 Files selected for processing (6)

• .github/workflows/ci.yml
• .jules/sentinel.md
• packages/web/.env.example
• packages/web/src/app/api/admin/login/route.ts
• packages/web/src/lib/server/admin-auth.ts
• packages/web/src/lib/server/env.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch sentinel-fix-hardcoded-admin-credentials-14021659548524232054

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch sentinel-fix-hardcoded-admin-credentials-14021659548524232054

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[seonghobae]

최신 upstream/main 기준으로 이 PR 브랜치(sentinel-fix-hardcoded-admin-credentials-14021659548524232054)는 96개 파일의 stale diff를 포함합니다. 특히 .claude agent/skill 파일 삭제와 오래된 lockfile/env/code 변경이 섞여 있어 그대로 유지하거나 upstream에 올리면 이미 반영된 변경을 되돌릴 위험이 큽니다.

현재 큐는 upstream #30 → upstream #21 순서로 정리 중입니다. 이 PR의 아이디어가 여전히 필요하면 최신 upstream/main에서 단일 목적 브랜치로 깨끗하게 다시 추출하겠습니다. stale PR로 닫습니다.