Files
windmill/backend/windmill-api-auth
hugocasaandClaude Opus 4.8 215e68941e fix: cap instance-global is_admin gates at workspace admin for job tokens
Three instance-global routes gate on the caller's own `is_admin` claim, which
`ApiAuthed.is_admin` carries into a WM_TOKEN (it is a workspace-admin claim,
true for superadmins too). A job token is capped at workspace admin
(GHSA-hfh4-cx4h-3fcr), so its is_admin claim must not authorize instance
actions on a route with no workspace binding:

- `unarchive_workspace` — unarchive an arbitrary workspace by id
- `prune_concurrency_group` — delete a global concurrency group
- `list_worker_groups` — return unobfuscated `env_vars_static` (may hold secrets)

Add job-token-aware `is_instance_admin` / `require_instance_admin` helpers (the
same shape as `require_super_admin` / `require_devops_role`) and use them at
these three sites. Workspace-scoped `require_admin(authed.is_admin, ...)` gates
are intentionally left unchanged — a workspace-admin job token is within the
cap there. Regression added covering all three; verified it lets a WM_TOKEN
unarchive/leak without the fix and is blocked with it.

Reported by Codex CI review (P1) on #10124.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-17 19:53:38 +02:00
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