{
  "published": "2026-09-04T12:00:51Z",
  "modified": "2026-09-14T16:21:18Z",
  "schema_version": "1.7.5",
  "id": "CGA-7qmr-x94q-vwrq",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
    }
  ],
  "upstream": [
    "CVE-2026-58659",
    "GHSA-qqmf-gpg7-g8gw"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58659.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-58659"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/pytorch-lightning-arbitrary-code-execution-via-instantiator-hyperparameter"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Lightning-AI/pytorch-lightning/pull/21832"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Lightning-AI/pytorch-lightning/commit/d710d689510d50e800f53b3cd773cbca20b1f86f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Lightning-AI/pytorch-lightning"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/Lightning-AI/pytorch-lightning/issues/21822"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "nemo",
        "purl": "pkg:apk/chainguard/nemo?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "lightning",
            "component_version": "2.4.0",
            "component_type": "python",
            "component_location": "/usr/share/nemo/.venv/lib/python3.11/site-packages/lightning-2.4.0.dist-info/METADATA",
            "component_purl": "pkg:pypi/lightning@2.4.0",
            "latest_event_status": "pending_upstream_fix",
            "latest_event_timestamp": "2026-09-14T12:21:25Z"
          }
        ]
      }
    }
  ]
}