{"id":"CVE-2023-49594","details":"An information disclosure vulnerability exists in the challenge functionality of instipod DuoUniversalKeycloakAuthenticator 1.0.7 plugin. A specially crafted HTTP request can lead to a disclosure of sensitive information. A user logging into Keycloak using  DuoUniversalKeycloakAuthenticator plugin triggers this vulnerability.","modified":"2026-08-12T03:51:45.771524318Z","published":"2023-12-23T20:04:48.013Z","database_specific":{"cna_assigner":"talos","cwe_ids":["CWE-201"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49594.json"},"references":[{"type":"WEB","url":"https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8"},{"type":"WEB","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907"},{"type":"WEB","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1907"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49594.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49594"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/instipod/duouniversalkeycloakauthenticator","events":[{"introduced":"6be06fbca63e59198ad8870e12e39b6bba9132ab"},{"fixed":"8df2d3f9e6da9f03aee27d6df009e27ea56dea74"}],"database_specific":{"extracted_events":[{"introduced":"1.0.7"},{"last_affected":"1.0.7"},{"introduced":"0"},{"fixed":"1.0.8"}],"source":["AFFECTED_FIELD","CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:*:*:*:*:*:keycloak:*:*"}}],"versions":["1.0.7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49594.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N"}]}