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    CVE-2024-8883

    A misconfiguration flaw was found in Keycloak. This issue can allow an attacker to redirect users to an arbitrary URL if a 'Valid Redirect URI' is set to http://localhost or http://127.0.0.1, enabling sensitive information such as authorization codes to be exposed to the attacker, potentially leading to session hijacking.

    Published:Sep 19, 2024
    Last Modified:Apr 1, 2026
    EPS:Sep 19, 2024
    EPSS Score:0.05107
    CVSS Score:6.1

    Affected Products

    Vendor
    Redhat
    Product
    Build Keycloak
    Vendor
    Redhat
    Product
    Build Of Keycloak
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Openshift Container Platform
    Vendor
    Redhat
    Product
    Openshift Container Platform For Ibm Z
    Vendor
    Redhat
    Product
    Openshift Container Platform For Linuxone
    Vendor
    Redhat
    Product
    Openshift Container Platform For Power
    Vendor
    Redhat
    Product
    Red Hat Single Sign On
    Vendor
    Redhat
    Product
    Rhosemc
    Vendor
    Redhat
    Product
    Single Sign-on

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    Related CVEs

    CVE-2026-89298 (CVSS 4.9) — A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access ma…
    CVE-2026-88770 (CVSS 6.5) — A flaw was found in the Device Authorization Grant flow of Keycloak, an identity and access management solutio…
    CVE-2026-19729 (CVSS 4.9) — A flaw was found in the key provider component of the keycloak-services library, which is the core engine for …
    CVE-2026-17615 (CVSS 7.5) — A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perfor…
    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…
    CVE-2026-18963 (CVSS 9.1) — A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine fo…
    CVE-2026-19608 (CVSS 5.3) — A flaw was found in the group policy provider of Keycloak authorization services, which is used to manage fine…

    References

    https://access.redhat.com/errata/RHSA-2024:10385
    https://access.redhat.com/errata/RHSA-2024:10386
    https://access.redhat.com/errata/RHSA-2024:6878
    https://access.redhat.com/errata/RHSA-2024:6879
    https://access.redhat.com/errata/RHSA-2024:6880
    https://access.redhat.com/errata/RHSA-2024:6882
    https://access.redhat.com/errata/RHSA-2024:6886
    https://access.redhat.com/errata/RHSA-2024:6887
    https://access.redhat.com/errata/RHSA-2024:6888
    https://access.redhat.com/errata/RHSA-2024:6889
    https://access.redhat.com/errata/RHSA-2024:6890
    https://access.redhat.com/errata/RHSA-2024:8823
    https://access.redhat.com/errata/RHSA-2024:8824
    https://access.redhat.com/errata/RHSA-2024:8826
    https://access.redhat.com/security/cve/CVE-2024-8883
    https://bugzilla.redhat.com/show_bug.cgi?id=2312511
    https://github.com/keycloak/keycloak/blob/main/services/src/main/java/org/keycloak/protocol/oidc/utils/RedirectUtils.java

    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