FileBrowser Quantum: Password Protection Not Enforced on Shared File Links

{
  "id": "0d7a93085cd277b76ab1956cd41759a2e1dc0694a9bed790163f003576d1f037",
  "url": "https://osv.dev/vulnerability/CVE-2026-27611",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FileBrowser Quantum: Password Protection Not Enforced on Shared File Links",
    "summary": "FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to versions 1.1.3-stable and 1.2.6-beta, when users share password-protected files, the recipient can completely bypass the password and still download the file. This happens because the API returns a direct download link in the details of the share, which is accessible to anyone with JUST THE SHARE LINK, even without the password. Versions 1.1.3-stable and 1.2.6-beta fix the issue.",
    "evidence": "osv:CVE-2026-27611",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-27611",
      "aliases": [
        "CVE-2026-27611",
        "GHSA-8vrh-3pm2-v4v6",
        "GO-2026-4546"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gtsteffaniak/filebrowser",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "72d09907031af645c3a8bb85a6db0f5d85bd852c"
                },
                {
                  "introduced": "690685459e9aec672b04ac1892a2b3cdb44fe6e4"
                },
                {
                  "fixed": "c51b0ee9738fa4599b409f47c5bf820ef31b4fe1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gtsteffaniak:filebrowser_quantum:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.1.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gtsteffaniak:filebrowser_quantum:1.1.3:beta:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.3-beta"
                      },
                      {
                        "last_affected": "1.1.3-beta"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c51b0ee9738fa4599b409f47c5bf820ef31b4fe1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.3-beta",
            "v1.1.2-stable",
            "v1.2.5-beta",
            "v1.1.6-beta",
            "v1.1.1-stable",
            "v1.0.1-stable",
            "v0.7.6-beta",
            "v0.5.2-beta",
            "v0.5.1-beta",
            "v0.5.0-beta",
            "v0.4.2-beta",
            "v0.4.1-beta",
            "v0.4.0-beta",
            "v0.3.7-beta",
            "v0.3.6-beta",
            "v0.3.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27611.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.629329008Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27611.json",
        "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-8vrh-3pm2-v4v6",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-27611",
        "https://github.com/gtsteffaniak/filebrowser/commit/c51b0ee9738fa4599b409f47c5bf820ef31b4fe1"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200",
          "CWE-287",
          "CWE-288"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27611.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-27611",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489020,
  "published_at": "2026-02-25T02:24:48.357+00:00"
}