fix: re-add keycloak client registration authpol#2614
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Pull request overview
Re-introduces an Istio AuthorizationPolicy deny rule to prevent Keycloak dynamic client registration calls against the configured realm as a defense-in-depth measure.
Changes:
- Add a DENY rule for
"/realms/{{ .Values.realm }}/clients-registrations/*"on port8080in the Keycloak gateway AuthorizationPolicy.
bburky
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Apr 27, 2026
Co-authored-by: Blake Burkhart <blake@defenseunicorns.com>
joelmccoy
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Apr 27, 2026
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LGTM. tested locally to ensure this is blocked on tenant gateway path
This was referenced Apr 27, 2026
mjnagel
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🤖 I have created a release *beep* *boop* --- ## [1.0.1](v1.0.0...v1.0.1) (2026-04-27) ### Bug Fixes * re-add keycloak client registration authpol ([#2614](#2614)) (backport-1.0) ([#2620](#2620)) ([357445b](357445b)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
mjnagel
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🤖 I have created a release *beep* *boop* --- ## [1.1.1](v1.1.0...v1.1.1) (2026-04-27) ### Bug Fixes * re-add keycloak client registration authpol ([#2614](#2614)) (backport-1.1) ([#2621](#2621)) ([3df64b8](3df64b8)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
mjnagel
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🤖 I have created a release *beep* *boop* --- ## [1.2.2](v1.2.1...v1.2.2) (2026-04-27) ### Bug Fixes * re-add keycloak client registration authpol ([#2614](#2614)) (backport-1.2) ([#2622](#2622)) ([c1a01d4](c1a01d4)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
jasonwashburn
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Apr 28, 2026
🤖 I have created a release *beep* *boop* --- ## [1.3.0](v1.2.0...v1.3.0) (2026-04-28) ### Features * **CORE-27:** allow opt-in public clients ([#2598](#2598)) ([9af5ca7](9af5ca7)) * cycle gateways when istio gatewayTopology proxyProtocol changes ([#2595](#2595)) ([5eceba7](5eceba7)) ### Bug Fixes * **ci:** run istio gen-crds in autogenerated-check ([#2605](#2605)) ([40a1a97](40a1a97)) * handle apply properly for keycloak client secret ([#2627](#2627)) ([c227289](c227289)) * re-add keycloak client registration authpol ([#2614](#2614)) ([ebed871](ebed871)) * restore original loki write service account name ([#2599](#2599)) ([a5386e2](a5386e2)) * updating prometheus to use endpointslice ([#2594](#2594)) ([ba319c8](ba319c8)) ### Miscellaneous * add retry to multi-arch manifest check ([#2602](#2602)) ([4e8ba23](4e8ba23)) * **deps-dev:** bump postcss from 8.5.8 to 8.5.12 in /scripts/renovate ([#2615](#2615)) ([0922090](0922090)) * **deps:** update identity-config to 0.26.1 ([#2616](#2616)) ([fd105a2](fd105a2)) * **deps:** update istio to v1.29.2 ([#2587](#2587)) ([caddf35](caddf35)) * **deps:** update pepr to v1.1.6 ([#2607](#2607)) ([d9f2ae9](d9f2ae9)) * **deps:** update pepr to v1.1.7 ([#2611](#2611)) ([fd43cc3](fd43cc3)) * **deps:** update prometheus-stack ([#2546](#2546)) ([6812697](6812697)) * **deps:** update velero chart to v12.0.1 ([#2613](#2613)) ([1048ae9](1048ae9)) * swap bundles google idp saml signing cert ([#2609](#2609)) ([57795b9](57795b9)) * update istio CRDs to use v1 API ([#2606](#2606)) ([079c361](079c361)) ### Documentation * add 1.3.0 release notes ([#2633](#2633)) ([00468ab](00468ab)) * add keycloak admin handling doc ([#2597](#2597)) ([328d19c](328d19c)) * add troubleshooting for too many open files ([#2612](#2612)) ([0b64a05](0b64a05)) * update release notes for 1.2.1 ([#2603](#2603)) ([bfa8124](bfa8124)) * update release notes to include newest patches ([#2629](#2629)) ([d59ca81](d59ca81)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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Description
As a defense in depth measure this re-adds protections to prevent client registrations via the "public" (tenant) client registration endpoint for the uds realm.