CVE-2026-105689

{
  "etk_id": "ETK-2026-1326",
  "cve_id": "CVE-2026-105689",
  "display_id": "CVE-2026-105689",
  "ghsa_id": "GHSA-wxgm-8qjw-x445",
  "euvd_id": "EUVD-2026-92707",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Penpot SSRF bypass through IPv6 transition addresses",
  "summary": "Penpot versions through 2.17.0 can mishandle IPv6 transition addresses during outbound URL validation. An authenticated user with media-import access, or an administrator configuring webhooks, may cause the server to contact otherwise restricted internal or metadata services when the required network translation or DNS conditions exist.",
  "mitigation": "Upgrade Penpot to version 2.18.0 or later. Until upgraded, restrict the application’s outbound network access to approved destinations and block access to internal and metadata address ranges.",
  "vendor": "penpot",
  "product": "penpot",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<2.18.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.18.0"
      ],
      "package_name": "penpot",
      "purl": null
    }
  ],
  "cwes": [
    918
  ],
  "cvss_score": 6,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
  "epss_score": 0.0027,
  "epss_percentile": 0.173,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 21.58881531666667,
  "t0_at": "2026-10-05T19:51:04.208000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-05T19:51:04.208000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T19:51:04.208000+00:00",
      "url": "https://github.com/penpot/penpot/security/advisories/GHSA-wxgm-8qjw-x445"
    }
  }
}