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": "Password authentication bypass in OpenSSH sshd",
  "summary": "OpenSSH sshd versions before 10.6p2 may incorrectly accept authentication for some accounts on Linux systems using musl libc without PAM. A remote unauthenticated attacker may bypass normal password verification when password authentication is enabled and the affected account configuration is present.",
  "mitigation": "Upgrade OpenSSH to 10.6p2 or later. Until the upgrade is complete, disable password-based SSH authentication on affected musl-based systems without PAM where operationally 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": 0.0098,
  "epss_percentile": 0.6228,
  "epss_asof": "2026-11-06",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 17.051859333333333,
  "t0_at": "2026-11-05T15:46:26.488000+00:00",
  "signals": {
    "kev": {
      "at": "2026-11-06T00:00:00+00:00",
      "days": 1,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T15:46:26.488000+00:00",
      "precision": "day",
      "url": "https://vulncheck.com/cve/CVE-2026-123158"
    },
    "public_poc": {
      "at": "2026-11-05T20:09:29+00:00",
      "days": 0.18266796296296298,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T15:46:26.488000+00:00",
      "url": "https://github.com/coboliqcom/cve-2026-123158-sshole-safe-rust"
    },
    "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"
    }
  }
}