CVE-2026-102941

{
  "etk_id": "ETK-2026-1826",
  "cve_id": "CVE-2026-102941",
  "display_id": "CVE-2026-102941",
  "ghsa_id": "GHSA-cv23-7vc5-jfh7",
  "euvd_id": "EUVD-2026-102934",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Slice-bounds denial of service in gomarkdown/markdown URL validation",
  "summary": "Versions of github.com/gomarkdown/markdown before 0.0.0-20260724235538-61af6e1e6971 can panic while validating a short link destination. An attacker can cause a denial of service when untrusted Markdown is rendered with html.Safelink enabled, or when an application passes attacker-controlled short URLs to parser.IsSafeURL.",
  "mitigation": "Upgrade github.com/gomarkdown/markdown to 0.0.0-20260724235538-61af6e1e6971 or later. Until upgraded, reject empty and very short untrusted URL values before calling parser.IsSafeURL or rendering with html.Safelink.",
  "vendor": "go",
  "product": "go:github.com/gomarkdown/markdown",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 0.0.0-20260724235538-61af6e1e6971"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "0.0.0-20260724235538-61af6e1e6971"
      ],
      "package_name": "github.com/gomarkdown/markdown",
      "purl": "pkg:golang/github.com/gomarkdown/markdown"
    }
  ],
  "cwes": null,
  "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": 0.0028,
  "epss_percentile": 0.1913,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.811292583333334,
  "t0_at": "2026-10-16T15:38:18.086000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-16T15:38:18.086000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T15:38:18.086000+00:00",
      "url": "https://github.com/advisories/GHSA-cv23-7vc5-jfh7"
    }
  }
}