CVE-2026-7328

Vulnerability 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.

Related Weaknesses (CWE)

CWE-862

References

https://github.com/chipsalliance/caliptra-sw/security/advisories/GHSA-c5v4-q445-

FAQ

What is CVE-2026-7328?

CVE-2026-7328 is a documented vulnerability. 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 deni...

How severe is CVE-2026-7328?

CVSS scoring is not yet available for CVE-2026-7328. Check NVD for updates.

Is there a patch for CVE-2026-7328?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.