TuxCare security update for flask (2 CVEs)

{
  "id": "14769be76ff1fd2a99ba8342dde53d9d9ed7860e7baf79ddd13b4f83a1b51e3c",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1789987201",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "TuxCare security update for flask (2 CVEs)",
    "summary": "TuxCare rebuilt flask to address 2 CVEs. Fixed in 2.2.1.post2+tuxcare.",
    "evidence": "osv:CLSA-2026-1789987201",
    "products": [
      {
        "name": {
          "value": "flask",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.2.1.post2+tuxcare",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "2.2.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.2.1.post1+tuxcare",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1789987201",
      "aliases": [
        "CLSA-2026-1789987201"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "2.2.1"
                },
                {
                  "fixed": "2.2.1.post2+tuxcare"
                }
              ]
            }
          ],
          "package": {
            "name": "flask",
            "purl": "pkg:pypi/flask",
            "ecosystem": "TuxCare:PyPI"
          },
          "versions": [
            "2.2.1",
            "2.2.1.post1+tuxcare"
          ],
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_lang/pypi/CLSA-2026-1789987201.json",
            "tuxcare": {
              "base_version": "2.2.1",
              "fixed_version": "2.2.1.post2+tuxcare"
            }
          }
        }
      ],
      "modified": "2026-10-15T09:48:01.765865819Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-30861",
        "CVE-2026-27205"
      ],
      "references": []
    },
    "related_cves": [
      {
        "value": "CVE-2023-30861",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-27205",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 329749,
  "published_at": "2026-09-21T10:40:01+00:00"
}