Security advisory

{
  "id": "1b81ab296fdff9c067356eaf912a287315cbaf48812a77379c00f16e7ad73270",
  "url": "https://osv.dev/vulnerability/CVE-2023-50771",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-50771",
    "summary": "Jenkins OpenId Connect Authentication Plugin 2.6 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins, allowing attackers to perform phishing attacks.",
    "evidence": "osv:CVE-2023-50771",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-50771",
      "aliases": [
        "CVE-2023-50771",
        "GHSA-9qv8-7jfq-73j2"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/oic-auth-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "2458c9183a17786bae4a4aa6bd410f11ed83848f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:openid_connect_authentication:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "oic-auth-2.6",
            "oic-auth-2.5",
            "oic-auth-2.4",
            "oic-auth-2.3",
            "oic-auth-2.2",
            "oic-auth-2.1",
            "oic-auth-2.0",
            "oic-auth-1.8",
            "oic-auth-1.7",
            "oic-auth-1.6",
            "oic-auth-1.5",
            "oic-auth-1.4",
            "oic-auth-1.3",
            "oic-auth-1.2",
            "oic-auth-1.1",
            "oic-auth-1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-50771.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:47.183296971Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-2979"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2023-50771",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436484,
  "published_at": "2023-12-13T18:15:44.09+00:00"
}