{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.1.0"
              },
              {
                "last_affected": "2.1.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "a72a76f234d9f7069ddd1e8b8ebef30a9c3fa326"
            },
            {
              "last_affected": "a72a76f234d9f7069ddd1e8b8ebef30a9c3fa326"
            }
          ],
          "repo": "https://github.com/chipsalliance/caliptra-sw",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.1.0"
      ]
    }
  ],
  "aliases": [
    "GHSA-c5v4-q445-wv84"
  ],
  "database_specific": {
    "cna_assigner": "Caliptra",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7328.json"
  },
  "details": "Missing authorization in Caliptra Core Runtime Firmware (INVOKE_DPE_MLDSA87, CM_AES_GCM_DECRYPT_DMA, EXTERNAL_MAILBOX_CMD commands) in subsystem mode allows a privileged local attacker to cause a denial of service via mailbox commands containing unverified AXI addresses. The security impact beyond availability is integration-specific.\n\nThis issue affects Core Runtime Firmware: 2.1.0.",
  "id": "CVE-2026-7328",
  "modified": "2026-07-24T03:56:43.166238939Z",
  "published": "2026-07-22T16:17:27.615Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7328.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/chipsalliance/caliptra-sw/security/advisories/GHSA-c5v4-q445-wv84"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7328"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chipsalliance/caliptra-sw"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service"
}