jupyter-base-notebook — security advisory

{
  "id": "b4855b719866ad2bf4d54799c1740df14f098a9592d7137c93fa958a7c8cd64f",
  "url": "https://osv.dev/vulnerability/CGA-56pp-vm55-vmm8",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-56pp-vm55-vmm8",
    "summary": "CGA-56pp-vm55-vmm8",
    "evidence": "osv:CGA-56pp-vm55-vmm8",
    "products": [
      {
        "name": {
          "value": "jupyter-base-notebook",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7.6.3-r2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "jupyter-base-notebook",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7.6.3-r2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CGA-56pp-vm55-vmm8",
      "aliases": [
        "CGA-56pp-vm55-vmm8"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7.6.3-r2"
                }
              ]
            }
          ],
          "package": {
            "name": "jupyter-base-notebook",
            "purl": "pkg:apk/chainguard/jupyter-base-notebook?arch=x86_64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-56pp-vm55-vmm8.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "tar",
                "component_purl": "pkg:npm/tar@6.1.11",
                "component_type": "npm",
                "component_version": "6.1.11",
                "component_location": "/usr/lib/python3.12/site-packages/jupyterlab/staging/yarn.lock",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-07T11:37:15Z"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7.6.3-r2"
                }
              ]
            }
          ],
          "package": {
            "name": "jupyter-base-notebook",
            "purl": "pkg:apk/wolfi/jupyter-base-notebook?arch=x86_64",
            "ecosystem": "Wolfi"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-56pp-vm55-vmm8.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "tar",
                "component_purl": "pkg:npm/tar@6.1.11",
                "component_type": "npm",
                "component_version": "6.1.11",
                "component_location": "/usr/lib/python3.12/site-packages/jupyterlab/staging/yarn.lock",
                "latest_event_status": "fixed",
                "latest_event_timestamp": "2026-10-07T11:37:15Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-07T17:00:28.898449993Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-31802",
        "GHSA-9ppj-qmqm-q256"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31802.json",
        "https://github.com/isaacs/node-tar/security/advisories/GHSA-9ppj-qmqm-q256",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-31802",
        "https://github.com/isaacs/node-tar/commit/f48b5fa3b7985ddab96dc0f2125a4ffc9911b6ad"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-31802",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 95390,
  "published_at": "2026-07-10T22:53:57+00:00"
}