CVE-2026-63197

{
  "etk_id": "ETK-2026-4015",
  "cve_id": "CVE-2026-63197",
  "display_id": "CVE-2026-63197",
  "ghsa_id": "GHSA-p74g-f95m-7fx7",
  "euvd_id": "EUVD-2026-116118",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting in traQ file retrieval",
  "summary": "traQ instances using local storage can serve uploaded HTML or SVG files as browser-renderable content through the file retrieval endpoint. An attacker with upload access may execute script in another user's browser if they persuade that user to open a file link.",
  "mitigation": "Upgrade github.com/traPtitech/traQ to 1.0.0-rc.2.0.20260627142846-3db29e777166; the upstream application fix is v3.28.3. Until upgraded, use a storage backend other than local or ensure file retrieval requests include `dl=1`. ",
  "vendor": "go",
  "product": "go:github.com/traPtitech/traQ",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 1.0.0-rc.2.0.20260627142846-3db29e777166"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "1.0.0-rc.2.0.20260627142846-3db29e777166"
      ],
      "package_name": "github.com/traPtitech/traQ",
      "purl": "pkg:golang/github.com/traPtitech/traQ"
    }
  ],
  "cwes": null,
  "cvss_score": 7.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
  "epss_score": 0.0029,
  "epss_percentile": 0.2131,
  "epss_asof": "2026-11-09",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 21.139915966666667,
  "t0_at": "2026-11-03T18:26:21.224000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-03T18:26:21.224000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-03T18:26:21.224000+00:00",
      "url": "https://github.com/advisories/GHSA-p74g-f95m-7fx7"
    }
  }
}