[CVE-2026-16108] Realm default-group reads disclose hidden groups und…#51090
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martin-kanis wants to merge 1 commit into
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[CVE-2026-16108] Realm default-group reads disclose hidden groups und…#51090martin-kanis wants to merge 1 commit into
martin-kanis wants to merge 1 commit into
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…er FGAP v2 Closes keycloak#51001 Signed-off-by: Martin Kanis <mkanis@ibm.com>
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Pull request overview
Fixes CVE-2026-16108 by preventing delegated administrators from discovering default groups they cannot view.
Changes:
- Filters default groups using FGAP group-view permissions.
- Applies filtering to realm details, realm listings, and the default-groups endpoint.
- Adds integration coverage for denied and granted access.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
RealmAdminResource.java |
Filters default groups in realm details and endpoint responses. |
RealmsAdminResource.java |
Filters default groups in realm listings. |
GroupResourceTypeFilteringTest.java |
Tests hidden and explicitly permitted default groups. |
sguilhen
approved these changes
Jul 22, 2026
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…er FGAP v2
Closes #51001