nn-2026:10-01

{
  "document": {
    "aggregate_severity": {
      "text": "MEDIUM"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "other",
        "text": "Medium",
        "title": "Risk Level for Nozomi customers"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "Nozomi Networks Product Security team can be reached at prodsec@nozominetworks.com",
      "name": "Nozomi Networks Product Security",
      "namespace": "https://security.nozominetworks.com/psirt"
    },
    "title": "Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0",
    "tracking": {
      "aliases": [
        "CVE-2026-31983"
      ],
      "current_release_date": "2026-07-07T11:00:00.000Z",
      "id": "NN-2026:10-01",
      "initial_release_date": "2026-07-07T11:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-07-07T11:00:00.000Z",
          "number": "1",
          "summary": "Initial revision"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:gem/<26.2.0",
                "product": {
                  "name": "Nozomi Networks Guardian <26.2.0",
                  "product_id": "CSAFPID-0001"
                }
              },
              {
                "category": "product_version",
                "name": "26.2.0",
                "product": {
                  "name": "Nozomi Networks Guardian 26.2.0",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Guardian"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:gem/<26.2.0",
                "product": {
                  "name": "Nozomi Networks CMC <26.2.0",
                  "product_id": "CSAFPID-0003"
                }
              },
              {
                "category": "product_version",
                "name": "26.2.0",
                "product": {
                  "name": "Nozomi Networks CMC 26.2.0",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "CMC"
          }
        ],
        "category": "vendor",
        "name": "Nozomi Networks"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Andrea Palanca"
          ],
          "organization": "Nozomi Networks Product Security team",
          "summary": "finding this issue during an internal investigation"
        }
      ],
      "cve": "CVE-2026-31983",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "discovery_date": "2026-07-07T11:00:00.000Z",
      "ids": [
        {
          "system_name": "Nozomi Networks Security Advisory ID",
          "text": "NN-2026:10-01"
        }
      ],
      "notes": [
        {
          "category": "summary",
          "text": "A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint.",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-0002",
          "CSAFPID-0004"
        ],
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0003"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "Mitre CVE entry",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-31983"
        },
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://security.nozominetworks.com/csaf/2026/nn-2026_10-01.json"
        },
        {
          "category": "self",
          "summary": "Human-readable advisory.",
          "url": "https://security.nozominetworks.com/NN-2026:10-01"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Use internal firewall features to limit access to the web management interface.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Upgrade to v26.2.0 or later.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0003"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys."
        }
      ],
      "title": "Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0"
    }
  ]
}