CVE-2026-3190— Keycloak: keycloak: information disclosure via improper role enforcement in uma 2.0 protection api
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。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分权限或特权的处理不恰当
Source: CVE Program / CVE List V5
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 | 26.4.11-1 ~ * |
cpe:/a:redhat:build_keycloak:26.4::el9
|
|
| Red Hat | Red Hat build of Keycloak 26.4 | 26.4-14 ~ * |
cpe:/a:redhat:build_keycloak:26.4::el9
|
|
| Red Hat | Red Hat build of Keycloak 26.4 | 26.4-14 ~ * |
cpe:/a:redhat:build_keycloak:26.4::el9
|
|
| Red Hat | Red Hat build of Keycloak 26.4.11 | - |
cpe:/a:redhat:build_keycloak:26.4::el9
|
|
II. Public POCs for CVE-2026-3190
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-3190 (4)
Same Patch Batch · Red Hat · 2026-03-26 · 16 CVEs total
| CVE-2025-12805 | 8.1 HIGH | Llama-stack-k8s-operator: llama stack service exposed across namespaces due to missing net |
| CVE-2026-1961 | 8.0 HIGH | Forman: foreman: remote code execution via command injection in websocket proxy |
| CVE-2026-2436 | 6.5 MEDIUM | Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake |
| CVE-2026-3121 | 6.5 MEDIUM | Keycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-client |
| CVE-2026-4887 | 6.1 MEDIUM | Gimp: gimp:memory disclosure and denial of service via specially crafted pcx image |
| CVE-2026-4897 | 5.5 MEDIUM | Polkit: polkit: denial of service via unbounded input processing through standard input |
| CVE-2026-2272 | 4.3 MEDIUM | Gimp: gimp: memory corruption due to integer overflow in ico file handling |
| CVE-2026-2271 | 3.3 LOW | Gimp: gimp: denial of service via crafted psp image file |
| CVE-2026-0968 | 3.1 LOW | Libssh: libssh: denial of service due to malformed sftp message |
| CVE-2026-4874 | 3.1 LOW | Org.keycloak.protocol.oidc.grants: org.keycloak.services.managers: keycloak: server-side r |
| CVE-2026-2239 | 2.8 LOW | Gimp: gimp: application crash (dos) via crafted psd file due to heap-buffer-overflow |
| CVE-2026-0965 | Libssh: libssh: denial of service via improper configuration file handling | |
| CVE-2026-0967 | Libssh: libssh: denial of service via inefficient regular expression processing | |
| CVE-2026-0964 | Libssh: improper sanitation of paths received from scp servers | |
| CVE-2026-0966 | Libssh: libssh: denial of service via zero-length input in ssh_get_hexa() |
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V. Comments for CVE-2026-3190
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