{"id":"CVE-2026-96460","title":"Keycloak-services: keycloak-services: indefinite access token renewal via standard token exchange v2","summary":"A flaw was found in the token exchange mechanism of Keycloak. When using Standard Token Exchange V2, the system issues new tokens with a fresh lifetime based on the requester clients configuration instead of limiting it to the original t…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-303"],"vendor":"Red Hat","product":"keycloak-services","affected":["keycloak-services","rhbk/keycloak-rhel9","keycloak-services"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T10:27:27.563Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-96460","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:95761","label":"RHSA-2026:95761"},{"url":"https://access.redhat.com/security/cve/CVE-2026-96460"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2539301","label":"RHBZ#2539301"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T06:46:27.267Z","slug":"CVE-2026-96460","body":"## Overview\n\nA flaw was found in the token exchange mechanism of Keycloak. When using Standard Token Exchange V2, the system issues new tokens with a fresh lifetime based on the requester clients configuration instead of limiting it to the original tokens expiration. This issue allows an authenticated requester to indefinitely extend access for service accounts by repeatedly exchanging tokens, even if the original client has been disabled by an administrator.\n\n## Affected\n\n- `keycloak-services`\n- `rhbk/keycloak-rhel9`\n- `keycloak-services`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n### Workarounds\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}