Security advisory

{
  "id": "cd8ce33bf3fdb76d270c9993622f5a3e7d0c87708d1c832e0765e106a9ead807",
  "url": "https://osv.dev/vulnerability/CVE-2022-31573",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2022-31573",
    "summary": "The chainer/chainerrl-visualizer repository through 0.1.1 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.",
    "evidence": "osv:CVE-2022-31573",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-31573",
      "aliases": [
        "CVE-2022-31573",
        "GHSA-687h-86vc-5x59",
        "PYSEC-2026-309"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chainer/chainerrl-visualizer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "774dd1eca833fc6baefa04912de6cf6f19fc10f3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chainer:chainerrl-visualizer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.1.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.1.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-31573.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.290440715Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31573.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-31573",
        "https://github.com/github/securitylab/issues/669#issuecomment-1117265726"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31573.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-31573",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 517670,
  "published_at": "2022-07-11T01:01:06+00:00"
}