CVE-2026-77172 (GCVE-0-2026-77172)
Vulnerability from cvelistv5
Published
2026-10-27 16:15
Modified
2026-10-27 16:15
Severity ?
5.3 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-269 - Improper Privilege Management
Summary
App passwords were allowed to bypass password confirmation on sensitive endpoints.
References
Impacted products
Vendor Product Version
Nextcloud Server Version: 32.0.0   ≤ 34.0.0
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Server",
          "vendor": "Nextcloud",
          "versions": [
            {
              "lessThanOrEqual": "34.0.0",
              "status": "affected",
              "version": "32.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Nicholas Carlini (npc)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "App passwords were allowed to bypass password confirmation on sensitive endpoints."
        }
      ],
      "metrics": [
        {
          "cvssV3_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",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-27T16:15:34.765Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://hackerone.com/reports/3566607"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-77172",
    "datePublished": "2026-10-27T16:15:34.765Z",
    "dateReserved": "2026-08-20T15:00:00.607Z",
    "dateUpdated": "2026-10-27T16:15:34.765Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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