{"id":"CVE-2026-7328","summary":"Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service","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.","aliases":["GHSA-c5v4-q445-wv84"],"modified":"2026-07-24T04:02:43.559193674Z","published":"2026-07-22T16:17:27.615Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7328.json","cna_assigner":"Caliptra","cwe_ids":["CWE-862"]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/chipsalliance/caliptra-sw","events":[{"introduced":"a72a76f234d9f7069ddd1e8b8ebef30a9c3fa326"},{"last_affected":"a72a76f234d9f7069ddd1e8b8ebef30a9c3fa326"}],"database_specific":{"extracted_events":[{"introduced":"2.1.0"},{"last_affected":"2.1.0"}],"source":"AFFECTED_FIELD"}}],"versions":["2.1.0","rom-2.1.0","release_v20260207_1-2.x","release_v20260207_0-2.x"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7328.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","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"}]}