{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7328","assignerOrgId":"b01ddd03-5ef6-483b-b2c5-acba77f1a554","state":"PUBLISHED","assignerShortName":"Caliptra","dateReserved":"2026-04-28T16:55:51.837Z","datePublished":"2026-07-22T16:17:27.615Z","dateUpdated":"2026-07-22T18:49:41.784Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b01ddd03-5ef6-483b-b2c5-acba77f1a554","shortName":"Caliptra","dateUpdated":"2026-07-22T16:17:27.615Z"},"title":"Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service","datePublic":"2026-07-22T19:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-862","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-122","descriptions":[{"lang":"en","value":"CAPEC-122 Privilege Abuse"}]}],"affected":[{"vendor":"Caliptra","product":"Core Runtime Firmware","collectionURL":"https://github.com/chipsalliance/caliptra-sw","packageName":"Core Runtime Firmware","modules":["INVOKE_DPE_MLDSA87","CM_AES_GCM_DECRYPT_DMA","EXTERNAL_MAILBOX_CMD"],"versions":[{"status":"affected","version":"2.1.0","versionType":"semver"},{"status":"unaffected","version":"2.1.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"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.<p>This issue affects Core Runtime Firmware: 2.1.0.</p>"}]}],"tags":["x_open-source"],"references":[{"url":"https://github.com/chipsalliance/caliptra-sw/security/advisories/GHSA-c5v4-q445-wv84"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.8,"vectorString":"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"}}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-22T18:49:34.151610Z","id":"CVE-2026-7328","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-22T18:49:41.784Z"}}]}}