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CVE-2026-3121— Keycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-clients permission

CVSS 6.5 · Medium EPSS 0.01% · P2
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I. Basic Information for CVE-2026-3121

Vulnerability Information
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Vulnerability Title
Keycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-clients permission
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in Keycloak. An administrator with `manage-clients` permission can exploit a misconfiguration where this permission is equivalent to `manage-permissions`. This allows the administrator to escalate privileges and gain control over roles, users, or other administrative functions within the realm. This privilege escalation can occur when admin permissions are enabled at the realm level.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权授予不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Keycloak 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keycloak是Keycloak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manage-clients权限配置不当，可能导致权限提升。
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

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat build of Keycloak 26.4 26.4.11-1 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red HatRed Hat build of Keycloak 26.4 26.4-14 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red HatRed Hat build of Keycloak 26.4 26.4-14 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red HatRed Hat build of Keycloak 26.4.11-cpe:/a:redhat:build_keycloak:26.4::el9
Red HatRed Hat JBoss Enterprise Application Platform 8-cpe:/a:redhat:jboss_enterprise_application_platform:8
Red HatRed Hat JBoss Enterprise Application Platform Expansion Pack-cpe:/a:redhat:jbosseapxp
Red HatRed Hat Single Sign-On 7-cpe:/a:redhat:red_hat_single_sign_on:7

II. Public POCs for CVE-2026-3121

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III. Intelligence Information for CVE-2026-3121

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Same Patch Batch · Red Hat · 2026-03-26 · 17 CVEs total

CVE-2025-128058.1 HIGHLlama-stack-k8s-operator: llama stack service exposed across namespaces due to missing net
CVE-2026-19618.0 HIGHForman: foreman: remote code execution via command injection in websocket proxy
CVE-2026-24366.5 MEDIUMLibsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake
CVE-2026-48876.1 MEDIUMGimp: gimp:memory disclosure and denial of service via specially crafted pcx image
CVE-2026-48975.5 MEDIUMPolkit: polkit: denial of service via unbounded input processing through standard input
CVE-2026-21005.3 MEDIUMP11-kit: null dereference via c_derivekey with specific null parameters
CVE-2026-22724.3 MEDIUMGimp: gimp: memory corruption due to integer overflow in ico file handling
CVE-2026-31904.3 MEDIUMKeycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protec
CVE-2026-22713.3 LOWGimp: gimp: denial of service via crafted psp image file
CVE-2026-09683.1 LOWLibssh: libssh: denial of service due to malformed sftp message
CVE-2026-48743.1 LOWOrg.keycloak.protocol.oidc.grants: org.keycloak.services.managers: keycloak: server-side r
CVE-2026-22392.8 LOWGimp: gimp: application crash (dos) via crafted psd file due to heap-buffer-overflow
CVE-2026-0965Libssh: libssh: denial of service via improper configuration file handling
CVE-2026-0967Libssh: libssh: denial of service via inefficient regular expression processing
CVE-2026-0964Libssh: improper sanitation of paths received from scp servers
CVE-2026-0966Libssh: buffer underflow in ssh_get_hexa() on invalid input

IV. Related Vulnerabilities

Same product: Red Hat build of Keycloak 26.4
Same vendor: Red Hat
Same weakness: CWE-266

V. Comments for CVE-2026-3121

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