{
  "published": "2026-09-18T13:48:46Z",
  "modified": "2026-09-18T20:38:58Z",
  "schema_version": "1.7.5",
  "id": "CGA-c88h-q325-2j7h",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"
    }
  ],
  "upstream": [
    "CVE-2026-86049",
    "GHSA-c3mw-737p-c7g2"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86049.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/jupyter-server/jupyter_server/commit/52513529af7096e622c00911b17627b266294717"
    },
    {
      "type": "FIX",
      "url": "https://github.com/jupyter-server/jupyter_server/pull/1681"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyter-server/jupyter_server/releases/tag/v2.21.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-c3mw-737p-c7g2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86049"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "jupyter-base-notebook",
        "purl": "pkg:apk/chainguard/jupyter-base-notebook?arch=aarch64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.6.2-r3"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "jupyter-server",
            "component_version": "2.20.0",
            "component_type": "python",
            "component_location": "/usr/lib/python3.12/site-packages/jupyter_server-2.20.0.dist-info/METADATA",
            "component_purl": "pkg:pypi/jupyter-server@2.20.0",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2026-09-18T20:38:58Z"
          }
        ]
      }
    },
    {
      "package": {
        "ecosystem": "Wolfi",
        "name": "jupyter-base-notebook",
        "purl": "pkg:apk/wolfi/jupyter-base-notebook?arch=aarch64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.6.2-r3"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "jupyter-server",
            "component_version": "2.20.0",
            "component_type": "python",
            "component_location": "/usr/lib/python3.12/site-packages/jupyter_server-2.20.0.dist-info/METADATA",
            "component_purl": "pkg:pypi/jupyter-server@2.20.0",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2026-09-18T20:38:58Z"
          }
        ]
      }
    }
  ]
}