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CVE-2026-14614— Keycloak-services: keycloak-services: fgap v2 client scope assignment bypass via clientresource

Quick assessment

Affected
Red Hat Red Hat build of Keycloak 26.4
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Keycloak是Keycloak组织开源的一种开源身份和访问管理解决方案。 Keycloak存在安全漏洞，该漏洞源于ClientResource组件在启用细粒度管理员权限v2时，允许委派管理员附加或移除其无权查看或管理的隐藏客户端作用域，可能导致攻击者向安全令牌中注入未授权数据或权限，从而诱骗其他应用程序授予超出预期的访问权限。

CVSS 5.4 · Medium EPSS 0.32% · P22

Affected Version Matrix 13

VendorProduct Version RangeStatus
Red Hat Red Hat Build of Keycloak any unaffected
any unaffected
Red Hat Red Hat build of Keycloak 26.4 26.4.14-1< * unaffected
26.4-22< * unaffected
26.4-22< * unaffected
Red Hat Red Hat build of Keycloak 26.4.14 any unaffected
Red Hat Red Hat build of Keycloak 26.6 26.6.5-1< * unaffected
26.6-11< * unaffected
26.6-11< * unaffected
Red Hat Red Hat build of Keycloak 26.6.5 any unaffected
Red Hat Red Hat Data Grid 8 any unaffected
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack any unaffected
Red Hat Red Hat Single Sign-On 7 any unaffected
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I. Basic Information for CVE-2026-14614

Vulnerability Information
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Vulnerability Title
Keycloak-services: keycloak-services: fgap v2 client scope assignment bypass via clientresource
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the ClientResource component of Keycloak's admin services when Fine-Grained Admin Permissions (FGAP) v2 is enabled. This issue allows a delegated administrator, who should only have limited control over specific clients, to attach or remove hidden client scopes that they are not authorized to see or manage. As a result, an attacker could inject unauthorized data or permissions into the security tokens issued to end-users, potentially tricking other applications into granting higher levels of access than intended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Keycloak 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keycloak是Keycloak组织开源的一种开源身份和访问管理解决方案。 Keycloak存在安全漏洞，该漏洞源于ClientResource组件在启用细粒度管理员权限v2时，允许委派管理员附加或移除其无权查看或管理的隐藏客户端作用域，可能导致攻击者向安全令牌中注入未授权数据或权限，从而诱骗其他应用程序授予超出预期的访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat build of Keycloak 26.4 26.4.14-1 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4 26.4-22 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4 26.4-22 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4.14 - cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.6 26.6.5-1 ~ * cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat Red Hat build of Keycloak 26.6 26.6-11 ~ * cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat Red Hat build of Keycloak 26.6 26.6-11 ~ * cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat Red Hat build of Keycloak 26.6.5 - cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat Data Grid 8 - cpe:/a:redhat:jboss_data_grid:8
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack - cpe:/a:redhat:jbosseapxp
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7

II. Public POCs for CVE-2026-14614

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III. Intelligence Information for CVE-2026-14614

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Vendor Advisories for CVE-2026-14614 (6)

Same Patch Batch · Red Hat · 2026-07-03 · 5 CVEs total

CVE-2026-58379 7.3 HIGH Gimp: gimp: heap buffer overflow in read_channel_data()
CVE-2026-14615 4.3 MEDIUM Keycloak-services: keycloak: fgap v2 parent group children endpoint bypasses per-child vie
CVE-2026-14613 4.3 MEDIUM Keycloak-services: keycloak-services: keycloak: fgap v2 role groups endpoint discloses hid
CVE-2026-14612 4.2 MEDIUM Freeipa: ipa: idm: freeipa: off-by-one buffer overflows in ipa-otpd oauth2.c during oauth2

IV. Related Vulnerabilities

Same product: Red Hat build of Keycloak 26.4
Same vendor: Red Hat
Same weakness: CWE-639

V. Comments for CVE-2026-14614

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