{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
              "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "2.421"
              },
              {
                "last_affected": "2.579"
              },
              {
                "introduced": "2.426.1"
              },
              {
                "last_affected": "2.568.2"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "3d43353cb685ca0a5eb64be1550abac5791c55c6"
            },
            {
              "last_affected": "9095ea3a5c5e7dcd392695a5dd880af1c9910ddf"
            },
            {
              "introduced": "04ae84057d4e9efefc2e38486674d9eb7bcdd6c5"
            },
            {
              "last_affected": "41a9ef008120dd7d1ada33200ab71be9ca445236"
            }
          ],
          "repo": "https://github.com/jenkinsci/jenkins",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "Jenkins 2.421 through 2.579 (both inclusive), LTS 2.426.1 through 2.568.2 (both inclusive) does not correctly perform permission checks in the Appearance configuration page, allowing attackers with Overall/Manage permission to modify Appearance configuration options they should not have access to.",
  "id": "CVE-2026-84653",
  "modified": "2026-09-17T03:30:24.443807597Z",
  "published": "2026-09-02T16:17:29.983Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3981"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}