8000 Disable Quarkus HTTP Host header validation filter for management int… by Pepo48 · Pull Request #55112 · keycloak/keycloak · GitHub
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Disable Quarkus HTTP Host header validation filter for management int… - #55112

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Pepo48:issue-54158
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Pepo48 wants to merge 1 commit into
keycloak:mainfrom
Pepo48:issue-54158

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@Pepo48
@Pepo48 Pepo48 commented Nov 12, 2026
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…erface

Closes #54158

…erface

Closes keycloak#54158

Signed-off-by: Peter Zaoral <pzaoral@redhat.com>
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Pepo48 requested review from a team as code owners November 12, 2026 14:32
Copilot AI lite review requested due to automatic review settings November 12, 2026 14:32
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🟢 Approval recommended

The reviewed configuration change addresses reverse-proxy access to the management interface while preserving Keycloak’s own hostname validation, with no active review issues identified.

No open issues 🎉

What changed in this PR

Disables Quarkus Host header validation for Keycloak’s management interface so health and metrics requests continue to work when accessed through a reverse proxy while bound to localhost.

Changes:

  • Sets quarkus.management.host-validation.require-localhost=false for the management interface.
  • Preserves Keycloak’s own hostname validation.
File Description
quarkus/​runtime/​src/​main/​resources/​application.properties Disables Quarkus Host header validation for the management interface.

Review effort: Lite

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[quarkus-next] Disable Quarkus HTTP Host header validation filter for management interface

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