fix(security): require org membership for app-scoped role_bindings - #3094
fix(security): require org membership for app-scoped role_bindings#3094riderx wants to merge 16 commits into
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Note Currently processing new changes in this PR. This may take a few minutes, please wait... ⚙️ Run configurationConfiguration used: Organization UI Review profile: ASSERTIVE Plan: Pro Run ID: 📒 Files selected for processing (2)
📝 WalkthroughWalkthroughAdds organization-membership validation for role-binding inserts and updates. The migration validates users, groups, and API keys against organization scope. A regression test covers permitted and rejected role-binding operations. ChangesRole-binding membership enforcement
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🟠 High · up to The migration adds membership checks for app-scoped role grants, but the current policy can still validate membership against an attacker-selected organization and accept API-key principals through a non-organization-scoped binding. Those paths may permit grants to principals who are not members of the resource's organization, so the PR is not ready to merge until the checks are corrected. Sequence Diagram(s)sequenceDiagram
participant AuthenticatedCaller
participant RoleBindingsRLS
participant PrincipalValidator
participant OrganizationData
AuthenticatedCaller->>RoleBindingsRLS: Insert or update role binding
RoleBindingsRLS->>PrincipalValidator: Validate target principal
PrincipalValidator->>OrganizationData: Check membership and ownership
OrganizationData-->>PrincipalValidator: Return validation result
PrincipalValidator-->>RoleBindingsRLS: Allow or reject principal
RoleBindingsRLS-->>AuthenticatedCaller: Complete or reject operation
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (2 skipped: 2 unsupported.) Full details: Description checkExplanation The description includes the change summary, motivation, business impact, and a relevant test plan. It omits the optional screenshots section for a backend-only change and records that CI database tests are still pending. Comment |
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Ready for Martin review/merge when CI is green. Please do not include advisory identifiers in follow-up commits. |
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Actionable comments posted: 5
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Inline comments:
In `@supabase/migrations/20260816201646_role_bindings_require_org_membership.sql`:
- Around line 114-139: Require role_bindings.org_id to equal the resource owner
organization in every app and channel authorization branch, using apps.owner_org
and channels.owner_org respectively before permitting the binding. Update both
affected policies and add a regression test covering an app binding whose org_id
differs from apps.owner_org.
- Around line 113-140: Restore the public.rbac_scope_bundle() authorization
branch in both recreated role_bindings INSERT and UPDATE policies, matching the
existing bundle permission checks and supported role_bindings constraint. Add
regression coverage proving authenticated bundle-scope INSERT and UPDATE
operations succeed through the policies.
- Around line 72-83: Update the owner_membership predicate in the API-key
authorization EXISTS query to require owner_membership.scope_type =
public.rbac_scope_org(), while preserving the existing principal, organization,
and expiration checks.
- Around line 89-92: Move role_binding_principal_allowed_for_org from the
PostgREST-exposed public schema into the established non-exposed schema,
updating its definition and all references accordingly. Preserve the function’s
owner and the permissions required by the RLS policies, but do not grant
authenticated execution on a public-schema version.
In `@supabase/tests/70_test_role_bindings_require_org_membership.sql`:
- Line 5: Update the role-bindings test plan from 3 to 4 and add a throws_ok
regression case covering UPDATE: modify an existing member app binding so its
principal becomes the outsider principal, asserting the update is rejected by
the replacement role_bindings_update policy while preserving the existing INSERT
cases.
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ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: ASSERTIVE
Plan: Pro
Run ID: 321a0703-3476-4119-a238-ed03e5e44856
📒 Files selected for processing (2)
supabase/migrations/20260816201646_role_bindings_require_org_membership.sqlsupabase/tests/70_test_role_bindings_require_org_membership.sql
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All reported issues were addressed across 2 files
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Triage 2026-08-25: previous “ready for Martin” comment is withdrawn. This PR is not fully ready per AGENTS.md: automatic review is not APPROVED (CodeRabbit still CHANGES_REQUESTED). Address remaining auto-review comments, keep CI green on the latest head, then re-request review until AI review is fully clear. Do not ping a human until then. @coderabbitai review |
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@coderabbitai review All prior review feedback addressed in rebased commit on current main. |
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@coderabbitai review Addressed cubic feedback: reordered pgTAP tests, use real mismatch org fixture, require app_id match on channel/bundle branches, and add apikey owner group-membership path. |
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@coderabbitai review Rebased onto latest |
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@coderabbitai full review All prior review threads are resolved. Rebased onto |
…9976) - Move membership helper to rbac_internal schema - Require role_bindings.org_id to match resource owner org - Restore bundle-scope authorization branches on INSERT/UPDATE - Require org-scope binding for API key owner fallback - Add pgTAP coverage for UPDATE retarget, org_id mismatch, and bundle scope Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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@coderabbitai resume @coderabbitai full review @coderabbitai approve Rebased onto latest |
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Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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CI retriggered. Approving per org workflow.
Superseded; all threads resolved on current HEAD.
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@coderabbitai full review Please complete a full review on current HEAD |
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@coderabbitai full review Please complete a full review on current HEAD |
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Action performedFull review triggered. |
3 participants
Summary (AI generated)
role_bindingsINSERT/UPDATE RLS now requires the target principal to already belong to the org before an app, channel, or bundle role can be granted.*_update_user_roleschecks. Org-scope user INSERT stays allowed so first membership and invite-accept paths keep working.Motivation (AI generated)
role_bindings_insert/role_bindings_updateonly checked that the caller could manage roles. The private API already rejected non-members with "User is not a member of this org", but a direct PostgREST INSERT could grant app-scoped roles to users with no org-scope binding.Business Impact (AI generated)
Stops privilege grants to people who are not org members. Invite accept, security-definer, and service-role paths are unchanged. No customer-facing API or plugin change.
Test Plan (AI generated)
42501)Generated with AI
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@codesmith-botwith what you need. Autofix is disabled.Summary by CodeRabbit