PT-2026-63439 · Caliptra · Core Runtime Firmware

CVE-2026-7328

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Published

2026-07-22

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Updated

2026-07-22

CVSS v4.0

6.8

Medium

VectorAV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:L/SA:N
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.

Fix

Missing Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-7328

Affected Products

Core Runtime Firmware