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Automad Broken Access Control: unauthenticated exposure of administrator bcrypt password hashes and TOTP secrets via public API endpoint

Type: advisorySources: OSV

Automad is a flat-file content management system and template engine. From 2.0.0-alpha.1 to 2.0.0-beta.27, a Broken Access Control vulnerability allows an unauthenticated attacker to retrieve the bcrypt password hash of every administrator account with a single POST request. The /_api/user-collection/create-first-user setup endpoint remains publicly accessible once initial configuration is complete and returns full serialized user data in the JSON response body. This vulnerability is fixed in 2.0.0-beta.28.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-45332
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 02:45 UTC · Revision 1

Source evidence

Automad Broken Access Control: unauthenticated exposure of administrator bcrypt password hashes and TOTP secrets via public API endpoint

core-osv · Original source

Published 28 May 2026, 18:22 UTC

Automad is a flat-file content management system and template engine. From 2.0.0-alpha.1 to 2.0.0-beta.27, a Broken Access Control vulnerability allows an unauthenticated attacker to retrieve the bcrypt password hash of every administrator account with a single POST request. The /_api/user-collection/create-first-user setup endpoint remains publicly accessible once initial configuration is complete and returns full serialized user data in the JSON response body. This vulnerability is fixed in 2.0.0-beta.28.

osv:CVE-2026-45332
Complete source record
{
  "id": "a2a3b5a15482e22e463b4bfaca46eabe14fb87130cf609f70d730dc6c43c9621",
  "url": "https://osv.dev/vulnerability/CVE-2026-45332",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Automad Broken Access Control: unauthenticated exposure of administrator bcrypt password hashes and TOTP secrets via public API endpoint",
    "summary": "Automad is a flat-file content management system and template engine. From 2.0.0-alpha.1 to 2.0.0-beta.27, a Broken Access Control vulnerability allows an unauthenticated attacker to retrieve the bcrypt password hash of every administrator account with a single POST request. The /_api/user-collection/create-first-user setup endpoint remains publicly accessible once initial configuration is complete and returns full serialized user data in the JSON response body. This vulnerability is fixed in 2.0.0-beta.28.",
    "evidence": "osv:CVE-2026-45332",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-45332",
      "aliases": [
        "CVE-2026-45332",
        "GHSA-xm76-r88j-vm3g"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/marcantondahmen/automad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "46ba17b955e9905c79a07b3673af40f1c4c30f71"
                },
                {
                  "fixed": "a8d385b6fe4a97ae6014d7651b063df6cee7f126"
                }
              ],
              "database_specific": {
                "extracted_events": [
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                    "range": [
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                        "introduced": "2.0.0-alpha.1"
                      },
                      {
                        "fixed": "2.0.0-beta.28"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.0.0-beta.28"
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                    "source": "DESCRIPTION"
                  }
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              }
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          ],
          "versions": [
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            "2.0.0-beta.2",
            "2.0.0-beta.1",
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            "2.0.0-alpha.16",
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            "2.0.0-alpha.13",
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            "2.0.0-alpha.10",
            "2.0.0-alpha.9",
            "2.0.0-alpha.8",
            "2.0.0-alpha.7",
            "2.0.0-alpha.6",
            "2.0.0-alpha.5",
            "2.0.0-alpha.4",
            "2.0.0-alpha.3",
            "2.0.0-alpha.2",
            "2.0.0-alpha.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45332.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.472802947Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45332.json",
        "https://github.com/marcantondahmen/automad/security/advisories/GHSA-xm76-r88j-vm3g",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-45332"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200",
          "CWE-306"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45332.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-45332",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491964,
  "published_at": "2026-05-28T18:22:11.883+00:00"
}