AzuraCast before 0.23.6 Metadata Injection via Liquidsoap API

{
  "id": "a040d9ea3914716cc6ab8e107fcacc93bfcbeba322046443013955cb543bc82b",
  "url": "https://osv.dev/vulnerability/CVE-2026-100854",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "AzuraCast before 0.23.6 Metadata Injection via Liquidsoap API",
    "summary": "AzuraCast before 0.23.6 lacks RequireInternalConnection middleware on the Liquidsoap API endpoint and incorrectly derives the AutoDJ flag from header presence rather than validated value. Users with View station permission can inject arbitrary now-playing metadata, disrupt live broadcasts, and disclose filesystem paths.",
    "evidence": "osv:CVE-2026-100854",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-100854",
      "aliases": [
        "CVE-2026-100854",
        "GHSA-4fm3-ggg2-c6qx"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/azuracast/azuracast",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "52c8050e3524e0f9867cb319eb87c7e3f3dc11f8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.23.6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.23.6"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.23.5",
            "0.23.4",
            "0.23.3",
            "0.23.2",
            "0.23.1",
            "0.23.0",
            "0.22.1",
            "0.22.0",
            "0.21.0",
            "0.20.4",
            "0.20.3",
            "0.20.2",
            "0.20.1",
            "0.20.0",
            "0.19.7",
            "0.19.6",
            "0.19.5",
            "0.19.4",
            "0.19.3",
            "0.19.2",
            "0.19.1",
            "0.19.0",
            "0.18.5",
            "0.18.3",
            "0.18.2",
            "0.18.1",
            "0.18.0",
            "0.17.7",
            "0.17.6",
            "0.17.5",
            "0.17.4",
            "0.17.3",
            "0.17.2",
            "0.17.1",
            "0.17.0",
            "0.16.1",
            "0.16.0",
            "0.15.2",
            "0.15.1",
            "0.15.0",
            "0.14.1",
            "0.10.2",
            "0.10.1",
            "0.10.0",
            "0.9.9",
            "0.9.8.1",
            "0.9.8",
            "0.9.7.1",
            "0.9.7",
            "0.9.6.5",
            "0.9.6.2",
            "0.9.6.1",
            "0.9.6",
            "0.9.5.1",
            "0.9.5",
            "0.9.4.2",
            "0.9.4.1",
            "0.9.4",
            "0.9.3",
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.8.0",
            "0.6.0",
            "0.5.0",
            "0.3.3",
            "0.3.2",
            "0.3.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100854.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.603099775Z",
      "provider": "osv",
      "references": [
        "https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-4fm3-ggg2-c6qx",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100854.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-100854",
        "https://www.vulncheck.com/advisories/azuracast-before-0.23.6-metadata-injection-via-liquidsoap-api"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100854.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-100854",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517921,
  "published_at": "2026-09-27T01:28:46.412+00:00"
}