Server — security advisory

{
  "id": "1fb6444d96ceacc43bf1e87e91012ed41bd7859f5357316e3b68d836926dccff",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-77172",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-77172",
    "summary": "App passwords were allowed to bypass password confirmation on sensitive endpoints.",
    "evidence": "cve:CVE-2026-77172",
    "products": [
      {
        "name": {
          "value": "Server",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-77172",
      "aliases": [
        "CVE-2026-77172"
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "version": "3.0",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"
          }
        }
      ],
      "affected": [
        {
          "vendor": "Nextcloud",
          "product": "Server",
          "versions": [
            {
              "status": "affected",
              "version": "32.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "34.0.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T16:15:34.765Z",
      "provider": "cve",
      "references": [
        "https://hackerone.com/reports/3566607"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
          "shortName": "hackerone",
          "dateUpdated": "2026-10-27T16:15:34.765Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-77172",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 394457,
  "published_at": "2026-10-27T16:15:34.765+00:00"
}