SEPTEMBER 22, 2026
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Case File

CVE-2026-37981

MEDIUM · CVSS 4.3 EPSS 0.37%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-19 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-37981
Severity
MEDIUM
CVSS
4.3
EPSS
0.37%

Original NVD Description

A flaw was found in Keycloak. A broken access control vulnerability in the Account Resources user lookup endpoint allows a remote authenticated user, who owns at least one User-Managed Access (UMA) resource, to enumerate and harvest personally identifiable information (PII) for all realm users. By sending crafted requests with arbitrary usernames or email values, the endpoint returns full profile objects for unrelated users. This leads to broad profile-level information disclosure.

Related CVEs

Other vulnerabilities affecting the same vendor(s)