CVE-2026-86826

{
  "etk_id": "ETK-2026-1356",
  "cve_id": "CVE-2026-86826",
  "display_id": "CVE-2026-86826",
  "ghsa_id": "GHSA-jprm-wgx9-37wq",
  "euvd_id": "EUVD-2026-94747",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated backup archive exposure in BackWPup",
  "summary": "BackWPup versions before 5.7.7 can expose backup archives left in the restore working directory. An unauthenticated attacker may retrieve site and database backup contents, including sensitive credentials or keys, when a restore is interrupted and the web server does not enforce .htaccess access controls.",
  "mitigation": "Upgrade BackWPup to version 5.7.7 or later. Until upgraded, prevent direct web access to restore working directories and remove residual restore archives.",
  "vendor": null,
  "product": "BackWPup",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 5.7.7"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "5.7.7"
      ],
      "package_name": "BackWPup",
      "purl": null
    }
  ],
  "cwes": [
    200
  ],
  "cvss_score": 5.9,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss_score": 0.0022,
  "epss_percentile": 0.1139,
  "epss_asof": "2026-10-21",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 48.376606466666665,
  "t0_at": "2026-10-08T06:00:07.831000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-12T13:21:31.819360+00:00",
      "days": 4.3065276430555555,
      "is_lower_bound": false,
      "measured_at": "2026-10-08T06:00:07.831000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-08T06:00:07.831000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-08T06:00:07.831000+00:00",
      "url": "https://github.com/advisories/GHSA-jprm-wgx9-37wq"
    }
  }
}