{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.3.1"
              },
              {
                "last_affected": "0.3.1"
              },
              {
                "introduced": "0.3.17"
              },
              {
                "last_affected": "0.3.17"
              },
              {
                "introduced": "0.3.3"
              },
              {
                "last_affected": "0.3.3"
              },
              {
                "introduced": "0.3.34"
              },
              {
                "last_affected": "0.3.34"
              },
              {
                "introduced": "0.3.7"
              },
              {
                "last_affected": "0.3.7"
              },
              {
                "introduced": "0.3.42"
              },
              {
                "last_affected": "0.3.42"
              },
              {
                "introduced": "0.3.47"
              },
              {
                "last_affected": "0.3.47"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "5a015e5b4d5dc00cf6ea722529496dea11f49747"
            },
            {
              "fixed": "d076c7d7f530c06bfd949e0740cc94bdb23f2562"
            }
          ],
          "repo": "https://github.com/decolua/9router",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.3.1",
        "0.3.3",
        "0.3.42",
        "0.3.47",
        "0.3.7"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-285",
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5842.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "0.3.0"
          },
          {
            "last_affected": "0.3.0"
          },
          {
            "introduced": "0.3.2"
          },
          {
            "last_affected": "0.3.2"
          },
          {
            "introduced": "0.3.4"
          },
          {
            "last_affected": "0.3.4"
          },
          {
            "introduced": "0.3.5"
          },
          {
            "last_affected": "0.3.5"
          },
          {
            "introduced": "0.3.6"
          },
          {
            "last_affected": "0.3.6"
          },
          {
            "introduced": "0.3.8"
          },
          {
            "last_affected": "0.3.8"
          },
          {
            "introduced": "0.3.9"
          },
          {
            "last_affected": "0.3.9"
          },
          {
            "introduced": "0.3.10"
          },
          {
            "last_affected": "0.3.10"
          },
          {
            "introduced": "0.3.11"
          },
          {
            "last_affected": "0.3.11"
          },
          {
            "introduced": "0.3.12"
          },
          {
            "last_affected": "0.3.12"
          },
          {
            "introduced": "0.3.13"
          },
          {
            "last_affected": "0.3.13"
          },
          {
            "introduced": "0.3.14"
          },
          {
            "last_affected": "0.3.14"
          },
          {
            "introduced": "0.3.15"
          },
          {
            "last_affected": "0.3.15"
          },
          {
            "introduced": "0.3.16"
          },
          {
            "last_affected": "0.3.16"
          },
          {
            "introduced": "0.3.18"
          },
          {
            "last_affected": "0.3.18"
          },
          {
            "introduced": "0.3.19"
          },
          {
            "last_affected": "0.3.19"
          },
          {
            "introduced": "0.3.20"
          },
          {
            "last_affected": "0.3.20"
          },
          {
            "introduced": "0.3.21"
          },
          {
            "last_affected": "0.3.21"
          },
          {
            "introduced": "0.3.22"
          },
          {
            "last_affected": "0.3.22"
          },
          {
            "introduced": "0.3.23"
          },
          {
            "last_affected": "0.3.23"
          },
          {
            "introduced": "0.3.24"
          },
          {
            "last_affected": "0.3.24"
          },
          {
            "introduced": "0.3.25"
          },
          {
            "last_affected": "0.3.25"
          },
          {
            "introduced": "0.3.26"
          },
          {
            "last_affected": "0.3.26"
          },
          {
            "introduced": "0.3.27"
          },
          {
            "last_affected": "0.3.27"
          },
          {
            "introduced": "0.3.28"
          },
          {
            "last_affected": "0.3.28"
          },
          {
            "introduced": "0.3.29"
          },
          {
            "last_affected": "0.3.29"
          },
          {
            "introduced": "0.3.30"
          },
          {
            "last_affected": "0.3.30"
          },
          {
            "introduced": "0.3.31"
          },
          {
            "last_affected": "0.3.31"
          },
          {
            "introduced": "0.3.32"
          },
          {
            "last_affected": "0.3.32"
          },
          {
            "introduced": "0.3.33"
          },
          {
            "last_affected": "0.3.33"
          },
          {
            "introduced": "0.3.35"
          },
          {
            "last_affected": "0.3.35"
          },
          {
            "introduced": "0.3.36"
          },
          {
            "last_affected": "0.3.36"
          },
          {
            "introduced": "0.3.37"
          },
          {
            "last_affected": "0.3.37"
          },
          {
            "introduced": "0.3.38"
          },
          {
            "last_affected": "0.3.38"
          },
          {
            "introduced": "0.3.39"
          },
          {
            "last_affected": "0.3.39"
          },
          {
            "introduced": "0.3.40"
          },
          {
            "last_affected": "0.3.40"
          },
          {
            "introduced": "0.3.41"
          },
          {
            "last_affected": "0.3.41"
          },
          {
            "introduced": "0.3.43"
          },
          {
            "last_affected": "0.3.43"
          },
          {
            "introduced": "0.3.44"
          },
          {
            "last_affected": "0.3.44"
          },
          {
            "introduced": "0.3.45"
          },
          {
            "last_affected": "0.3.45"
          },
          {
            "introduced": "0.3.46"
          },
          {
            "last_affected": "0.3.46"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of the component Administrative API Endpoint. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.75 is sufficient to resolve this issue. It is suggested to upgrade the affected component.",
  "id": "CVE-2026-5842",
  "modified": "2026-08-12T03:51:22.794472974Z",
  "published": "2026-04-09T04:30:17.225Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/decolua/9router/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5842.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5842"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/790003"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/356298"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/decolua/9router/issues/431"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/decolua/9router/issues/431#issuecomment-4140163867"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/356298/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/decolua/9router/releases/tag/v0.3.75"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/deepcat1337/Free_Api_Exploit/tree/main"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "decolua 9router Administrative API Endpoint api authorization"
}