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    CVE-2026-16071

    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.

    Published:Aug 5, 2026
    Last Modified:Aug 31, 2026
    EPS:Aug 5, 2026
    EPSS Score:0.00227
    CVSS Score:5.4

    Affected Products

    Vendor
    Redhat
    Product
    Build Keycloak
    Vendor
    Redhat
    Product
    Build Of Keycloak
    Vendor
    Redhat
    Product
    Data Grid 8
    Vendor
    Redhat
    Product
    Jboss Data Grid
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform Expansion Pack
    Vendor
    Redhat
    Product
    Jbosseapxp
    Vendor
    Redhat
    Product
    Red Hat Single Sign On
    Vendor
    Redhat
    Product
    Single Sign On

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-82968 (CVSS 6.4) — A flaw was found in the first-broker-login flow of the Keycloak identity management service. When a user links…
    CVE-2026-19611 (CVSS 7.4) — A flaw was found in WildFly Elytron. Password hashing and verification normalize input with Unicode NFKC, whic…
    CVE-2026-15571 (CVSS 7.3) — A flaw was found in the legacy client-initiated account-linking endpoint of Keycloak, a widely used open-sourc…
    CVE-2026-79652 (CVSS 5.9) — A flaw was found in the JWT Bearer authorization grant implementation within the keycloak-services component o…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High