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CVE-2026-3190— Keycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protection api

CVSS 4.3 · Medium EPSS 0.03% · P10
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I. Basic Information for CVE-2026-3190

Vulnerability Information
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Vulnerability Title
Keycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protection api
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in Keycloak. The User-Managed Access (UMA) 2.0 Protection API endpoint for permission tickets fails to enforce the `uma_protection` role check. This allows any authenticated user with a token issued for a resource server client, even without the `uma_protection` role, to enumerate all permission tickets in the system. This vulnerability partial leads to information disclosure.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分权限或特权的处理不恰当
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UMA 2.0 Protection API端点未强制执行uma_protection角色检查，可能导致信息泄露。
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

II. Public POCs for CVE-2026-3190

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III. Intelligence Information for CVE-2026-3190

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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-2026-31216.5 MEDIUMKeycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-client
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-2026-22713.3 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-280

V. Comments for CVE-2026-3190

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