{"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"}}]}}

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