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Vulnerability Details :

CVE-2026-11577

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-08 Jun, 2026 | 11:44
Updated At-09 Jun, 2026 | 18:38
Rejected At-
Credits

Keycloak: keycloak: privilege escalation via partialimport fgap permission bypass

A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/{realm}/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions (FGAP) and escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–ĽCommon Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:08 Jun, 2026 | 11:44
Updated At:09 Jun, 2026 | 18:38
Rejected At:
â–ĽCVE Numbering Authority (CNA)
Keycloak: keycloak: privilege escalation via partialimport fgap permission bypass

A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/{realm}/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions (FGAP) and escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Build of Keycloak
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
keycloak-services
CPEs
  • cpe:/a:redhat:build_keycloak:
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Data Grid 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
keycloak-services
CPEs
  • cpe:/a:redhat:jboss_data_grid:8
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat JBoss Enterprise Application Platform 8
Collection URL
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html
Package Name
keycloak-services
CPEs
  • cpe:/a:redhat:jboss_enterprise_application_platform:8
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat JBoss Enterprise Application Platform Expansion Pack
Collection URL
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html
Package Name
keycloak-services
CPEs
  • cpe:/a:redhat:jbosseapxp
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Single Sign-On 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
keycloak-services
CPEs
  • cpe:/a:redhat:red_hat_single_sign_on:7
Default Status
unknown
Problem Types
TypeCWE IDDescription
CWECWE-863Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Important
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Exploits

Credits

Red Hat would like to thank Andrii Ilin (10Guards) for reporting this issue.
Timeline
EventDate
Reported to Red Hat.2026-04-18 00:00:00
Made public.2026-06-08 00:00:00
Event: Reported to Red Hat.
Date: 2026-04-18 00:00:00
Event: Made public.
Date: 2026-06-08 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-11577
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2459993
issue-tracking
x_refsource_REDHAT
https://github.com/keycloak/keycloak/issues/9387
N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-11577
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2459993
Resource:
issue-tracking
x_refsource_REDHAT
Hyperlink: https://github.com/keycloak/keycloak/issues/9387
Resource: N/A
â–ĽAuthorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/keycloak/keycloak/issues/9387
exploit
Hyperlink: https://github.com/keycloak/keycloak/issues/9387
Resource:
exploit
Information is not available yet
â–ĽNational Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:08 Jun, 2026 | 13:16
Updated At:09 Jun, 2026 | 20:16

A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/{realm}/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions (FGAP) and escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-863Secondarysecalert@redhat.com
CWE ID: CWE-863
Type: Secondary
Source: secalert@redhat.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://access.redhat.com/security/cve/CVE-2026-11577secalert@redhat.com
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=2459993secalert@redhat.com
N/A
https://github.com/keycloak/keycloak/issues/9387secalert@redhat.com
N/A
https://github.com/keycloak/keycloak/issues/9387134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-11577
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2459993
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://github.com/keycloak/keycloak/issues/9387
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://github.com/keycloak/keycloak/issues/9387
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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