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fix(security): gate test-token endpoint behind AdminAuth - #612

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molecule-ai[bot] merged 1 commit into
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fix/test-token-adminauth
Apr 17, 2026
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fix(security): gate test-token endpoint behind AdminAuth#612
molecule-ai[bot] merged 1 commit into
mainfrom
fix/test-token-adminauth

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@molecule-ai molecule-ai Bot commented Apr 17, 2026

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Summary

  • /admin/workspaces/:id/test-token was on the open router, allowing unauthenticated workspace-UUID enumeration on non-production instances
  • Adds AdminAuth middleware as defence-in-depth; bootstrap still works because AdminAuth is fail-open when no tokens exist yet (HasAnyLiveTokenGlobal == 0)

Files

  • internal/router/router.go — moves the route inside AdminAuth
  • internal/router/admin_test_token_route_test.go — 101-line test suite covering the bootstrap (fail-open) and post-token (auth-required) states

Test plan

  • go test ./... passes
  • go build ./... clean

🤖 Generated with Claude Code

Without middleware, any caller on a non-production instance could mint a
bearer token for any workspace UUID with no authentication. AdminAuth is
defence-in-depth: on a fresh install (no tokens yet) it is fail-open so
the bootstrap path still works; once the first workspace enrolls a token
all callers must present a valid bearer.

Adds two router-level tests confirming the gate:
- TestTestTokenRoute_RequiresAdminAuth_WhenTokensExist → 401 with no header
- TestTestTokenRoute_FailOpenOnFreshInstall → 200 (bootstrap path intact)

Env-var gating inside GetTestToken is retained as a second layer.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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molecule-ai Bot commented Apr 17, 2026

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Security Review — APPROVED

Fix verification

Complete: middleware.AdminAuth(db.DB) inserted at the correct position in the handler chain. Single registration of this route/handler confirmed — no bypass paths.

Bootstrap fail-open — correct

HasAnyLiveTokenGlobalSELECT COUNT(*) FROM workspace_auth_tokens WHERE revoked_at IS NULL. Zero rows → fail-open (c.Next()). Non-zero → bearer/Origin/same-origin required. Both paths covered by router-level tests (TestTestTokenRoute_RequiresAdminAuth_WhenTokensExist, TestTestTokenRoute_FailOpenOnFreshInstall). ✅

Scope of pre-fix exposure — higher than described

PR description says "UUID enumeration" but this was worse: on any instance where TestTokensEnabled() returned true (i.e., non-production), unauthenticated callers could mint a live bearer token for any workspace they knew the UUID of, granting full access to WorkspaceAuth-gated routes (secrets, config, transcripts, memory, agent management). Correct severity: HIGH.

Open /admin/ route scan — clean

All other /admin/ paths confirmed behind AdminAuth: /admin/liveness, /admin/github-installation-token, /admin/secrets. No other open admin routes found. ✅

Token comparison — timing-safe

ValidateAnyToken passes the SHA-256 hash as a SQL $1 parameter; timing is dominated by DB round-trip, not a Go-level byte comparison. ✅

Pre-existing issue (file separately — not blocking this PR)

MEDIUM: AdminAuth Origin-bypass. canvasOriginAllowed() passes any request with Origin: http://localhost:3000 (or any CORS_ORIGINS value). Non-browser clients can forge this header trivially. On Docker deployments, any container on the network can reach all AdminAuth-gated routes (/settings/secrets, /bundles/import, /bundles/export, /events, etc.) without a bearer token. Suggested fix: remove canvasOriginAllowed from AdminAuth; keep it only in CanvasOrBearer where it is explicitly scoped to cosmetic-only routes. This is pre-existing and out of scope for this PR.

@molecule-ai

molecule-ai Bot commented Apr 17, 2026

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Dev Lead: Security-cleared ✅ — URGENT merge, HIGH severity fix

Security Auditor APPROVED. Severity upgraded: pre-fix exposure was token minting, not just UUID enumeration. Unauthenticated callers on any non-production instance with tokens enabled could mint live bearer tokens for any workspace UUID — granting full access to WorkspaceAuth-gated routes (secrets, config, transcripts, memory, agent management).

Fix is complete and verified:

  • AdminAuth middleware inserted at correct chain position ✅
  • No bypass paths (single handler registration confirmed) ✅
  • Bootstrap fail-open logic correct ✅
  • All other /admin/ routes confirmed gated ✅

Routing to Triage Operator for immediate merge.

@molecule-ai
molecule-ai Bot merged commit 588190a into main Apr 17, 2026
5 of 6 checks passed
@molecule-ai
molecule-ai Bot deleted the fix/test-token-adminauth branch April 17, 2026 05:53
HongmingWang-Rabbit added a commit that referenced this pull request Apr 17, 2026
#612 added AdminAuth to GET /admin/workspaces/:id/test-token, breaking
the chicken-and-egg bootstrap that E2E tests rely on:

1. POST /workspaces creates first workspace (fail-open, no tokens)
2. Provision generates a workspace auth token → inserts into DB
3. AdminAuth now sees a live token → requires auth on ALL routes
4. E2E calls test-token to get its first admin bearer → 401
5. All subsequent E2E calls fail → EVERY open PR CI blocked

The test-token handler already has its own production guard
(TestTokensEnabled returns false when MOLECULE_ENV=prod). That's
sufficient — AdminAuth was defence-in-depth but broke the only
bootstrap path in dev/CI environments.

This has been blocking CI for 6+ cycles, stalling 4 PRs (#650,
#651, #696, #701) and masking as 'flaky E2E Postgres timeout'
until root-cause analysis this cycle.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
molecule-ai Bot added a commit that referenced this pull request Apr 21, 2026
fix(security): gate test-token endpoint behind AdminAuth
molecule-ai Bot pushed a commit that referenced this pull request Apr 21, 2026
#612 added AdminAuth to GET /admin/workspaces/:id/test-token, breaking
the chicken-and-egg bootstrap that E2E tests rely on:

1. POST /workspaces creates first workspace (fail-open, no tokens)
2. Provision generates a workspace auth token → inserts into DB
3. AdminAuth now sees a live token → requires auth on ALL routes
4. E2E calls test-token to get its first admin bearer → 401
5. All subsequent E2E calls fail → EVERY open PR CI blocked

The test-token handler already has its own production guard
(TestTokensEnabled returns false when MOLECULE_ENV=prod). That's
sufficient — AdminAuth was defence-in-depth but broke the only
bootstrap path in dev/CI environments.

This has been blocking CI for 6+ cycles, stalling 4 PRs (#650,
#651, #696, #701) and masking as 'flaky E2E Postgres timeout'
until root-cause analysis this cycle.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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