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A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.
Reserved 2023-11-24 | Published 2024-01-26 | Updated 2025-04-04 | Assigner redhatURL Redirection to Untrusted Site ('Open Redirect')
2023-11-24: | Reported to Red Hat. |
2023-12-14: | Made public. |
access.redhat.com/errata/RHSA-2023:7854 (RHSA-2023:7854)
access.redhat.com/errata/RHSA-2023:7855 (RHSA-2023:7855)
access.redhat.com/errata/RHSA-2023:7856 (RHSA-2023:7856)
access.redhat.com/errata/RHSA-2023:7857 (RHSA-2023:7857)
access.redhat.com/errata/RHSA-2023:7858 (RHSA-2023:7858)
access.redhat.com/errata/RHSA-2023:7860 (RHSA-2023:7860)
access.redhat.com/errata/RHSA-2023:7861 (RHSA-2023:7861)
access.redhat.com/errata/RHSA-2024:0798 (RHSA-2024:0798)
access.redhat.com/errata/RHSA-2024:0799 (RHSA-2024:0799)
access.redhat.com/errata/RHSA-2024:0800 (RHSA-2024:0800)
access.redhat.com/errata/RHSA-2024:0801 (RHSA-2024:0801)
access.redhat.com/errata/RHSA-2024:0804 (RHSA-2024:0804)
access.redhat.com/security/cve/CVE-2023-6291
bugzilla.redhat.com/show_bug.cgi?id=2251407 (RHBZ#2251407)
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