Security advisory

{
  "id": "fb4bb3530f0fb41e36be08fc7fa4598a4adb8f34688c02ab61fde8de46a10b9e",
  "url": "https://osv.dev/vulnerability/CVE-2023-49594",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-49594",
    "summary": "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.",
    "evidence": "osv:CVE-2023-49594",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-49594",
      "aliases": [
        "CVE-2023-49594"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/instipod/duouniversalkeycloakauthenticator",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6be06fbca63e59198ad8870e12e39b6bba9132ab"
                },
                {
                  "fixed": "8df2d3f9e6da9f03aee27d6df009e27ea56dea74"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.0.7"
                      },
                      {
                        "last_affected": "1.0.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8df2d3f9e6da9f03aee27d6df009e27ea56dea74"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "1.0.8"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49594.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.444504947Z",
      "provider": "osv",
      "references": [
        "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",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49594.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-49594"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-201"
        ],
        "cna_assigner": "talos",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49594.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-49594",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517875,
  "published_at": "2023-12-23T20:04:48.013+00:00"
}