CVE-2026-123158

{
  "etk_id": "ETK-2026-3644",
  "cve_id": "CVE-2026-123158",
  "display_id": "CVE-2026-123158",
  "ghsa_id": "GHSA-4fcc-vm97-gx3x",
  "euvd_id": "EUVD-2026-117552",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication bypass in OpenSSH sshd password handling",
  "summary": "OpenSSH sshd versions before 10.6p2 are affected on Linux hosts that use musl libc without PAM. On susceptible account configurations, a remote attacker may authenticate through password login without providing the account's correct password.",
  "mitigation": "Upgrade OpenSSH to version 10.6p2 or later. Prioritize musl-based Linux hosts without PAM; if an upgrade must wait, disable password authentication or enable PAM where feasible.",
  "vendor": "OpenBSD",
  "product": "OpenSSH",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 10.6p2"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.6p2"
      ],
      "package_name": "OpenSSH",
      "purl": null
    }
  ],
  "cwes": [
    394
  ],
  "cvss_score": 8.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 20.660683233333334,
  "t0_at": "2026-11-05T15:46:26.488000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-05T15:46:26.488000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T15:46:26.488000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-123158"
    }
  }
}