Security advisory

{
  "id": "99e1c7a14499a845f6544360d9d061d72d0aa1f4bbe2f0196d50cce4fb2ce915",
  "url": "https://osv.dev/vulnerability/CVE-2020-5519",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-5519",
    "summary": "The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the \"Server Configuration > External App\" screen.",
    "evidence": "osv:CVE-2020-5519",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-5519",
      "aliases": [
        "CVE-2020-5519"
      ],
      "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/litespeedtech/openlitespeed",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "df48e6b09fb60379cf0cbccc6b04de8436fd62b2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:litespeedtech:openlitespeed:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.6.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.6.4",
            "v1.6.2",
            "v1.6.1",
            "v1.6.0",
            "v1.5.2",
            "v1.5.0",
            "v1.5.0rc6",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.2",
            "v1.3",
            "v1.0.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5519.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-5519-4578cdff",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "147065738091634790554339764281666372229",
                    "337515501990582207882683493986968476188",
                    "56086692015322612464158224429885955768",
                    "79554955009579610874132618129629800607"
                  ]
                },
                "source": "https://github.com/litespeedtech/openlitespeed/commit/df48e6b09fb60379cf0cbccc6b04de8436fd62b2",
                "target": {
                  "file": "src/http/httpvhost.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-5519-681fcf0a",
                "digest": {
                  "length": 2641,
                  "function_hash": "83007105710633916255655848895873646889"
                },
                "source": "https://github.com/litespeedtech/openlitespeed/commit/df48e6b09fb60379cf0cbccc6b04de8436fd62b2",
                "target": {
                  "file": "src/http/httpvhost.cpp",
                  "function": "HttpVHost::configContext"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:19:47Z"
          }
        }
      ],
      "modified": "2026-10-24T14:19:47.586148985Z",
      "provider": "osv",
      "references": [
        "https://forum.openlitespeed.org/threads/openlitespeed-v1-6-5-now-available.4047/",
        "https://drive.google.com/open?id=1pSciFEfjHp3kN8y5shy_zosJo7dje_fX"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-5519",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443490,
  "published_at": "2020-01-06T13:15:10.833+00:00"
}