CVE-2026-7328

Missing authorization in Caliptra Core Runtime Firmware INVOKEDPEMLDSA87, CMAESGCMDECRYPTDMA, EXTERNALMAILBOXCMD 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...

CVE-2026-7328 Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service

Missing authorization in Caliptra Core Runtime Firmware INVOKEDPEMLDSA87, CMAESGCMDECRYPTDMA, EXTERNALMAILBOXCMD 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...

CVE-2026-6458

Missing cryptographic step in Caliptra Core Firmware aes256gcmupdate module results in an incorrect GCM authentication tag. When the streaming AES-256-GCM API is used with empty AAD, the hardware GHASH accumulator state is not saved after the first update call, causing the final tag to exclude th...

CVE-2026-5818

Incorrect check of function return value in Caliptra Core Runtime Firmware ActivateFirmwareCmd::activatefw modules allows bypass of Caliptra Core's verification of the MCU FW during a hitless update. This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0...

CVE-2026-5818

Incorrect check of function return value in Caliptra Core Runtime Firmware ActivateFirmwareCmd::activatefw modules allows bypass of Caliptra Core's verification of the MCU FW during a hitless update. This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0...

CVE-2026-5818 MCU Firmware Update Authentication Bypass on Caliptra Core

Incorrect check of function return value in Caliptra Core Runtime Firmware ActivateFirmwareCmd::activatefw modules allows bypass of Caliptra Core's verification of the MCU FW during a hitless update. This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0...

CVE-2026-5818 MCU Firmware Update Authentication Bypass on Caliptra Core

Incorrect check of function return value in Caliptra Core Runtime Firmware ActivateFirmwareCmd::activatefw modules allows bypass of Caliptra Core's verification of the MCU FW during a hitless update. This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0...

CVE-2026-5818

The CVE-2026-5818 entry concerns the Caliptra Core Runtime Firmware and describes an incorrect return-value check in ActivateFirmwareCmd::activate_fw modules, which allows bypassing the Core’s verification of MCU firmware during a hitless update. Affected versions are Core Runtime Firmware 2.0.0 ...

CVE-2026-6458 AES-256-GCM Authentication Tag Does Not Cover First Ciphertext Blocks When AAD Is Empty

Missing cryptographic step in Caliptra Core Firmware aes256gcmupdate module results in an incorrect GCM authentication tag. When the streaming AES-256-GCM API is used with empty AAD, the hardware GHASH accumulator state is not saved after the first update call, causing the final tag to exclude th...

CVE-2026-6458

Missing cryptographic step in Caliptra Core Firmware aes256gcmupdate module results in an incorrect GCM authentication tag. When the streaming AES-256-GCM API is used with empty AAD, the hardware GHASH accumulator state is not saved after the first update call, causing the final tag to exclude th...

CVE-2026-6458

CVE-2026-6458 involves the Caliptra Core Firmware (aes_256_gcm_update module) where a missing cryptographic step in the streaming AES-256-GCM API with empty AAD leads to the hardware GHASH accumulator state not being saved after the first update. As a result, the final GCM authentication tag does...

PT-2026-51610

Name of the Vulnerable Software and Affected Versions Caliptra Core Runtime Firmware versions 2.0.0 through 2.0.1 Caliptra Core Runtime Firmware version 2.1.0 Description A missing cryptographic step in the aes 256 gcm update module leads to an incorrect GCM authentication tag. When the streaming...