{
  "cveId": "CVE-2026-123158",
  "url": "https://patchblox.com/security/cve/CVE-2026-123158",
  "summary": "CVE-2026-123158 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-123158, released November 9, 2026. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 9, 2026. Patch Radar priority: Patch now.",
  "title": "sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password authentication bypass (related to misinterpretation of whether a string is intended to be a password hash). For some configurations of accounts, any password between 256 and 1024 characters succeeds. An example of a platform using musl libc without PAM is Alpine Linux.",
  "description": "sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password authentication bypass (related to misinterpretation of whether a string is intended to be a password hash). For some configurations of accounts, any password between 256 and 1024 characters succeeds. An example of a platform using musl libc without PAM is Alpine Linux.",
  "published": "2026-11-05T16:17:47Z",
  "severity": "Important",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "cwe": "Unexpected Status Code or Return Value",
  "epss": 0.16501,
  "epssPercentile": 0.97016,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": false,
  "disclosed": false,
  "kev": {
    "added": "2026-11-09T00:00:00Z",
    "due": "2026-11-12T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201CForensics Triage Requirements\u201D (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines."
  },
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123158",
  "fixes": [
    {
      "platform": "linux",
      "product": "openssh",
      "release": "Debian 14",
      "fixedVersion": "1:10.6p2-1",
      "fix": "DEBIAN-CVE-2026-123158",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-123158",
      "released": "2026-11-09T02:18:44Z"
    },
    {
      "platform": "linux",
      "product": "openssh-gssapi",
      "release": "Debian 14",
      "fixedVersion": "1:10.6p2-1",
      "fix": "DEBIAN-CVE-2026-123158",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-123158",
      "released": "2026-11-09T02:18:44Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-11T01:43:54Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}