Security advisory

{
  "id": "2915145e4235541a524485b2bdcbc59deb6f3b17e63f8f03496549eccb7090b3",
  "url": "https://osv.dev/vulnerability/CVE-2020-26309",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-26309",
    "summary": "Validate.js provides a declarative way of validating javascript objects. Versions 0.11.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any patches are available.",
    "evidence": "osv:CVE-2020-26309",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-26309",
      "aliases": [
        "CVE-2020-26309",
        "GHSA-3phv-83cj-p8p7"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Green"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ftonato/nope-validator",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "d01abb636d04e305e724b02ae52809ae64734e89"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.11.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.11.3",
            "v0.11.2",
            "v0.11.1",
            "v0.11.0",
            "v0.10.0",
            "0.9.0",
            "0.8.1",
            "0.7.3",
            "0.7.2",
            "v0.7.0",
            "0.6.0",
            "0.5.2",
            "0.5.1",
            "0.5.0",
            "0.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26309.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:59.869564650Z",
      "provider": "osv",
      "references": [
        "https://securitylab.github.com/advisories/GHSL-2020-303-redos-nope-validator/",
        "https://github.com/ftonato/nope-validator/issues/352"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-26309",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384132,
  "published_at": "2024-10-26T21:15:14.19+00:00"
}