{"id":"CVE-2026-16104","title":"A flaw was found in the authentication configuration endpoint of the keycloak-services component, which is the core engine for Red Hat Build of Keycloak identity and access management","summary":"A flaw was found in the authentication configuration endpoint of the keycloak-services component, which is the core engine for Red Hat Build of Keycloak identity and access management. The issue occurs because the system fails to mask se…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-212","CWE-522"],"vendor":"redhat","product":"build_of_keycloak","affected":["build_of_keycloak"],"patched":["build_of_keycloak 26.6.7"],"published":"2026-07-17","updated":"2026-09-16","sourceUpdated":"2026-09-16T19:17:07.513","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16104","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:68277","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68278","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-16104","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2501737","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-16104.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-16104"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16104"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00258,"epssPercentile":0.17747,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-17T17:24:30.498422Z"},"ingestedAt":"2026-08-31T11:07:13.998Z","slug":"CVE-2026-16104","body":"## Overview\n\nA flaw was found in the authentication configuration endpoint of the keycloak-services component, which is the core engine for Red Hat Build of Keycloak identity and access management. The issue occurs because the system fails to mask sensitive configuration values, such as reCAPTCHA secret keys, when they are requested by administrators with view-only permissions. This can lead to the exposure of third-party service credentials to unauthorized personnel or through administrative logs.\n\n## Affected\n\n- `build_of_keycloak`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:68278** · Red Hat · fixed in: Red Hat build of Keycloak 26.6.7 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68278)\n- **RHSA-2026:68277** · Red Hat · fixed in: Red Hat build of Keycloak 26.6 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68277)","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}