{"cve":"CVE-2023-49594","nvd":{"published":"2023-12-23T20:15:38.250","modified":"2026-06-17T06:36:12.797","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-201"],"references":["https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8","https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907","https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8","https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907","https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1907"],"products":["michaelkelly:duouniversalkeycloakauthenticator"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2023-49594","score":0.01243,"percentile":0.6925,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}