Security advisory

{
  "id": "9638c91b25f41d94210361e26986fc157dcc7228450ade430b56ee5a4b70445e",
  "url": "https://osv.dev/vulnerability/CVE-2021-43466",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-43466",
    "summary": "In the thymeleaf-spring5:3.0.12 component, thymeleaf combined with specific scenarios in template injection may lead to remote code execution.",
    "evidence": "osv:CVE-2021-43466",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-43466",
      "aliases": [
        "CVE-2021-43466",
        "GHSA-qcj6-jqrg-4wp2"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/thymeleaf/thymeleaf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9a9dec1e3f30b835682c84aad332ed700ec80d5a"
                },
                {
                  "last_affected": "9a9dec1e3f30b835682c84aad332ed700ec80d5a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:thymeleaf:thymeleaf:3.0.12:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.12"
                      },
                      {
                        "last_affected": "3.0.12"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.12",
            "thymeleaf-3.0.12.RELEASE"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43466.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:43.050176868Z",
      "provider": "osv",
      "references": [
        "https://security.netapp.com/advisory/ntap-20221014-0001/",
        "https://vuldb.com/?id.186365",
        "https://gitee.com/wayne_wwang/wayne_wwang/blob/master/2021/10/31/ruoyi+thymeleaf-rce/index.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-43466",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435521,
  "published_at": "2021-11-09T12:15:10.693+00:00"
}