JetKVM insufficient firmware verification

{
  "id": "b6bb49503114f7aec49f0e227acbecaf25fe6fd23f2f0e78c3ff0629be02fcb3",
  "url": "https://osv.dev/vulnerability/CVE-2026-32294",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "JetKVM insufficient firmware verification",
    "summary": "JetKVM prior to 0.5.4 does not verify the authenticity of downloaded firmware files. An attacker-in-the-middle or a compromised update server could modify the firmware and the corresponding SHA256 hash to pass verification.",
    "evidence": "osv:CVE-2026-32294",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-32294",
      "aliases": [
        "CVE-2026-32294"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jetkvm/kvm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8e7b6ce4e3e699440507d049c83ef9689b5557b3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.5.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:jetkvm:kvm:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.5.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release/0.5.4-dev202603061013",
            "release/0.5.4-dev202603060949",
            "release/0.5.4-dev202602080922",
            "release/0.5.3",
            "release/0.5.3-dev202602061404",
            "release/0.5.3-dev202601281951",
            "release/0.5.2-dev202601071426",
            "release/0.5.2",
            "release/0.5.2-dev202601070105",
            "release/0.5.2-dev202601070032",
            "release/0.5.2-dev202601061215",
            "release/0.5.2-dev202601051816",
            "release/0.5.2-dev202512291946",
            "release/0.5.1-dev202512211114",
            "release/0.5.1",
            "release/0.5.1-dev202512181840",
            "release/0.5.1-dev202512181609",
            "release/0.5.1-dev202512181144",
            "release/0.5.0-dev202512051510",
            "release/0.5.0",
            "0.5.0-dev202511271020",
            "0.5.0-dev202511271013",
            "release/0.5.0-dev202511211223",
            "release/0.4.5",
            "release/0.4.1",
            "release/0.4.0",
            "release/0.5.0-dev20251120",
            "release/0.4.7",
            "challenge-base",
            "release/0.4.6",
            "release/0.4.5-rc2",
            "release/0.4.5-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32294.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.374157467Z",
      "provider": "osv",
      "references": [
        "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-076-01.json",
        "https://www.cve.org/CVERecord?id=CVE-2026-32294",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32294.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-32294",
        "https://github.com/jetkvm/kvm/releases/tag/release%2F0.5.4",
        "https://eclypsium.com/blog/kvm-devices-the-keys-to-your-kingdom-are-hanging-on-the-network/"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-345",
          "CWE-347"
        ],
        "cna_assigner": "cisa-cg",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32294.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-32294",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496218,
  "published_at": "2026-03-17T17:19:22.624+00:00"
}