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CVE-2026-19608— Keycloak-services: keycloak-services: name-only group claims let same-name groups satisfy path-specific group policies

Quick assessment

Affected
Red Hat Red Hat Build of Keycloak
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组织开源的一款身份认证与权限管理平台。 Keycloak存在授权问题漏洞，该漏洞源于授权服务的组策略提供程序在评估基于组的策略时使用仅包含组名而非完整路径的令牌，导致不同组织部分中的同名组被混淆，将未授权用户误认为授权组成员，可能允许用户未经授权访问受保护资源。

CVSS 5.3 · Medium EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
Red Hat Red Hat Build of Keycloak any affected
any affected
Red Hat Red Hat Single Sign-On 7 any unaffected
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I. Basic Information for CVE-2026-19608

Vulnerability Information
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Vulnerability Title
Keycloak-services: keycloak-services: name-only group claims let same-name groups satisfy path-specific group policies
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the group policy provider of Keycloak authorization services, which is used to manage fine-grained access control to resources. The issue occurs when the system evaluates group-based policies using tokens that only contain group names rather than full paths. If two groups in different parts of the organization share the same name, a user in the unauthorized group can be mistaken for a member of the authorized group. This can allow a user to gain unauthorized access to protected resources they should not be able to reach.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Keycloak 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keycloak是Keycloak组织开源的一款身份认证与权限管理平台。 Keycloak存在授权问题漏洞，该漏洞源于授权服务的组策略提供程序在评估基于组的策略时使用仅包含组名而非完整路径的令牌，导致不同组织部分中的同名组被混淆，将未授权用户误认为授权组成员，可能允许用户未经授权访问受保护资源。
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 - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7

II. Public POCs for CVE-2026-19608

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III. Intelligence Information for CVE-2026-19608

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Vendor Advisories for CVE-2026-19608 (1)

Same Patch Batch · Red Hat · 2026-08-18 · 14 CVEs total

CVE-2026-12564 9.6 CRITICAL Automation-controller: automation-controller: kubernetes service account token exfiltratio
CVE-2026-18963 9.1 CRITICAL Keycloak-services: keycloak-services: unauthenticated account takeover via reset-credentia
CVE-2026-66793 8.8 HIGH Governance-policy-addon-controller: governance-policy-addon-controller: arbitrary containe
CVE-2026-75924 8.7 HIGH Managed-serviceaccount: managed-serviceaccount: hub addon-manager clusterrole grants clust
CVE-2026-71365 7.7 HIGH Awx: webhook status callback ssrf leaks the git pat
CVE-2026-15571 7.3 HIGH Keycloak-services: keycloak-services: predictable account-linking hash enables account tak
CVE-2026-66780 6.5 MEDIUM Submariner-operator: broker serviceaccount secret (token + ca) logged in full at trace ver
CVE-2026-75032 6.3 MEDIUM Bluez: bluez: out-of-bounds read in avrcp parse_media_element and parse_media_folder
CVE-2026-66782 5.8 MEDIUM Submariner-operator: operator clusterrole grants cluster-wide create/update on all configm
CVE-2026-75485 5.5 MEDIUM Must-gather: /tmp/kubeconfig retention
CVE-2026-73834 5.5 MEDIUM Must-gather: must-gather: embedded secret data in acm wrapper crs collected without redact
CVE-2026-66781 5.4 MEDIUM Submariner-operator: pprof debug endpoint enabled by default on 0.0.0.0:8082 without authe
CVE-2026-66783 4.4 MEDIUM Submariner-operator: release workflow consumes same-org composite action via mutable @deve

IV. Related Vulnerabilities

Same product: Red Hat Build of Keycloak
Same vendor: Red Hat
Same weakness: CWE-285

V. Comments for CVE-2026-19608

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