{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "4353fdc43ef646c43a8dda7025cc1a898caf1482"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4353fdc43ef646c43a8dda7025cc1a898caf1482"
            }
          ],
          "repo": "https://github.com/openssh/openssh-portable",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-394"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123158.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "range": [
              {
                "fixed": "10.6p2"
              }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "fixed": "10.6p2"
              }
            ],
            "source": "CPE_FIELD",
            "strategy": "CPEApplicability"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "fixed": "10.6p2"
              }
            ],
            "source": "DESCRIPTION"
          }
        ]
      }
    ]
  },
  "details": "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.",
  "id": "CVE-2026-123158",
  "modified": "2026-11-06T10:30:59.341615031Z",
  "published": "2026-11-05T15:46:26.488Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://alpinelinux.org/posts/2026-11-05-openssh-password-authentication-bypass/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123158.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/google/goonami-scanner/pull/277"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/leonjza/sshhole-lab"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openssh/openssh-portable/commit/4353fdc43ef646c43a8dda7025cc1a898caf1482"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/predkambrij/sshhole-repro"
    },
    {
      "type": "WEB",
      "url": "https://hachyderm.io/@damienmiller/117563026759098135"
    },
    {
      "type": "WEB",
      "url": "https://marc.info/?l=openssh-unix-dev\u0026m=179388064263131\u0026w=2"
    },
    {
      "type": "WEB",
      "url": "https://news.ycombinator.com/item?id=50377976"
    },
    {
      "type": "WEB",
      "url": "https://news.ycombinator.com/item?id=50378228"
    },
    {
      "type": "WEB",
      "url": "https://news.ycombinator.com/item?id=50379704"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123158"
    },
    {
      "type": "EVIDENCE",
      "url": "https://sshhole.com"
    },
    {
      "type": "WEB",
      "url": "https://www.openssh.org/releasenotes.html#10.6p2"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}