CVE Catalog

CVE-2026-7328

MediumCVSS 6.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.13%

2th percentile - higher than 2% of all known CVEs

Summary

Caliptra Core Runtime Firmware version 2.1.0 has missing authorization in INVOKE_DPE_MLDSA87, CM_AES_GCM_DECRYPT_DMA, and EXTERNAL_MAILBOX_CMD commands in subsystem mode. A privileged local attacker can cause denial of service via mailbox commands with unverified AXI addresses.

Risk Assessment

An attacker can cause system crashes, leading to denial of service. Security impact beyond availability is integration-specific.

Recommendation

Update Caliptra Core Runtime Firmware to a patched version or apply appropriate access controls.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS