Low 2.7Published Mar 11, 2026

CVE-2026-3911A flaw was found in Keycloak.

Updated under an hour ago (2026-10-19 09:00 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for redhat build_of_keycloak

Exploited in the last 30 days

A flaw was found in Keycloak. An authenticated user with the view-users role could exploit a vulnerability in the UserResource component. By accessing a specific administrative endpoint, this user could improperly retrieve user attributes that were configured to be hidden. This unauthorized information disclosure could expose sensitive user data.

CVSS: 2.7 LOW (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-359
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

redhat build_of_keycloak redhat:build_of_keycloak	all versions; 26.4; 26.4.11	NVD

References

https://access.redhat.com/errata/RHSA-2026:6477vendor-advisory
https://access.redhat.com/errata/RHSA-2026:6478vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-3911vendor-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2446392issue-tracking

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.