Medium 5.4Published Aug 5, 2026

CVE-2026-16071A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories.

Updated under an hour ago (2026-10-19 06:30 UTC)

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Exploited in the last 30 days

A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.

CVSS: 5.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-90, CWE-269
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: Modified
Record last updated: Aug 31, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

redhat build_of_keycloak redhat:build_of_keycloak	from 26.4 before 26.4.14; from 26.6 before 26.6.5	NVD

References

https://access.redhat.com/errata/RHSA-2026:50846vendor-advisory
https://access.redhat.com/errata/RHSA-2026:50847vendor-advisory
https://access.redhat.com/errata/RHSA-2026:50848vendor-advisory
https://access.redhat.com/errata/RHSA-2026:50849vendor-advisory
https://access.redhat.com/security/cve/CVE-2026-16071vendor-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2501720issue-tracking, vendor-advisory

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.