PT-2026-63439 · Unknown · Caliptra Core Runtime Firmware
CVE-2026-7328
·
Published
2026-07-22
·
Updated
2026-07-22
CVSS v4.0
6.8
Medium
| Vector | AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:L/SA:N |
Name of the Vulnerable Software and Affected Versions
Caliptra Core Runtime Firmware version 2.1.0
Description
Missing authorization in subsystem mode allows a privileged local attacker to cause a denial of service. This occurs through mailbox commands containing unverified AXI (Advanced eXtensible Interface, a communication protocol for connecting components in a system-on-chip) addresses. The issue specifically involves the
INVOKE DPE MLDSA87, CM AES GCM DECRYPT DMA, and EXTERNAL MAILBOX CMD commands.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Missing Authorization
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Weakness Enumeration
Related Identifiers
Affected Products
Caliptra Core Runtime Firmware