CVE-2026-108860

{
  "etk_id": "ETK-2026-1248",
  "cve_id": "CVE-2026-108860",
  "display_id": "CVE-2026-108860",
  "ghsa_id": "GHSA-w9f8-hvcg-hgcm",
  "euvd_id": "EUVD-2026-97011",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication bypass via exposed signing key in BotSharp",
  "summary": "BotSharp through 5.2.0 uses a distributed JWT signing secret that can allow unauthenticated remote attackers to mint bearer tokens. An attacker who knows a valid account identity may impersonate that user, including an administrator, on API endpoints protected by authorization checks.",
  "mitigation": "Immediately replace the default JWT signing secret with a unique private value and invalidate tokens signed with the old value. Restrict external access to protected API routes until an upstream fixed release is available.",
  "vendor": "SciSharp",
  "product": "BotSharp",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 5.2.0"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "BotSharp",
      "purl": null
    }
  ],
  "cwes": [
    321
  ],
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": 0.0048,
  "epss_percentile": 0.3987,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 79.02367873333333,
  "t0_at": "2026-10-11T13:26:07.369000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-11T13:26:07.369000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-11T13:26:07.369000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-108860"
    }
  }
}