CVE-2026-73283

{
  "id": "CVE-2026-73283",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-11T20:18:49.960",
  "lastModified": "2026-10-24T15:10:00.190",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not."
    },
    {
      "lang": "es",
      "value": "En sshd en OpenSSH anterior a 10.5, la palabra clave restrict (en authorized_keys) se suponía que era aplicable al reenvío de túneles pero no lo era."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "OpenBSD",
          "product": "OpenSSH",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "10.5",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 2.5,
          "baseSeverity": "LOW",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-11T20:16:49.734390Z",
          "id": "CVE-2026-73283",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-670"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "10.5",
              "matchCriteriaId": "85C0FBF8-1AE6-4A15-A6B2-41B5790E88E1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.openssh.org/releasenotes.html#10.5",
      "source": "[email protected]",
      "tags": [
        "Product",
        "Release Notes"
      ]
    }
  ]
}