CVE-2026-107840

{
  "etk_id": "ETK-2026-1110",
  "cve_id": "CVE-2026-107840",
  "display_id": "CVE-2026-107840",
  "ghsa_id": "GHSA-6r69-c6wg-7g8m",
  "euvd_id": "EUVD-2026-95935",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unbounded Prometheus metric labels in yopass",
  "summary": "yopass versions before 14.7.0 allow attacker-controlled HTTP method values to create unbounded Prometheus metric series. An unauthenticated remote attacker can drive memory growth, potentially terminate the service, and degrade or disrupt monitoring scrapes.",
  "mitigation": "Upgrade yopass to version 14.7.0 or later. Restrict public access to the service until the upgrade is complete.",
  "vendor": "jhaals",
  "product": "yopass",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 14.7.0"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "14.7.0"
      ],
      "package_name": "github.com/jhaals/yopass",
      "purl": "pkg:golang/github.com/jhaals/yopass"
    }
  ],
  "cwes": [
    400
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": 0.0044,
  "epss_percentile": 0.3734,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 19.519215816666666,
  "t0_at": "2026-10-09T18:08:29.059000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-09T23:29:21.196574+00:00",
      "days": 0.22282566636574075,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T18:08:29.059000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-09T18:08:29.059000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T18:08:29.059000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-107840"
    }
  }
}