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CVE-2026-7328

MEDIUM
6.8
CVSS 4.0
Description
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. This issue affects Core Runtime Firmware: 2.1.0.

Metadata

CVE ID
CVE-2026-7328
State
PUBLISHED
Assigner
Caliptra
Reserved
2026-04-28 16:55 UTC
Published
2026-07-22 16:17 UTC
Last updated
2026-07-22 18:49 UTC
Primary CWE
CWE-862
CWE-862 Missing Authorization
Vendor / Product
Caliptra / Core Runtime Firmware
Sources
cve.org  ·  NVD

Severity & Metrics

6.8 MEDIUM CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Caliptra Core Runtime Firmware — 2.1.0, 2.1.1
Weakness (CWE)
CWESourceDescription
CWE-862 cna CWE-862 Missing Authorization
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.8 MEDIUM 4.0 cna 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
References (1)
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