SEPTEMBER 20, 2026
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Case File

CVE-2026-7328

MEDIUM · CVSS 6.8 EPSS 0.09% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-22 · Last synced 2026-08-21

CyberRota Analysis

AI-Generated

The Caliptra Core Runtime Firmware version 2.1.0 is vulnerable due to missing authorization in specific commands, which allows a privileged local attacker to execute unverified AXI addresses, potentially leading to a denial of service. The security implications extend beyond availability and may vary based on the specific integration. Organizations using this firmware should prioritize addressing this vulnerability to mitigate the risk of service disruption.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-7328
Severity
MEDIUM
CVSS
6.8
EPSS
0.09%

Original NVD 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.