CVE-2026-11835

Time-of-check time-of-use TOCTOU vulnerability combined with missing input validation in Caliptra Core ROM UpdateResetFlow::run in subsystem mode allows a compromised local attacker to silently bypass secure boot by supplying an AXI staging address that is not validated against the strap-configur...

CVE-2026-11836

Insufficient verification of data authenticity in Caliptra Core ROM and Core Firmware validatedebugunlocktoken in subsystem mode allows an attacker with access to the integrator's debug unlock signing service to unlock production debug on an unintended device by presenting a valid token issued fo...

CVE-2026-11835

Time-of-check time-of-use TOCTOU vulnerability combined with missing input validation in Caliptra Core ROM UpdateResetFlow::run in subsystem mode allows a compromised local attacker to silently bypass secure boot by supplying an AXI staging address that is not validated against the strap-configur...

EUVD-2026-52549

Time-of-check time-of-use TOCTOU vulnerability combined with missing input validation in Caliptra Core ROM UpdateResetFlow::run in subsystem mode allows a compromised local attacker to silently bypass secure boot by supplying an AXI staging address that is not validated against the strap-configur...

CVE-2026-11835

Caliptra Core ROM (2.1.0–2.1.1) contains a TOCTOU vulnerability in UpdateResetFlow::run() that, with missing input validation, lets a compromised MCU firmware with AXI manager access inject an unvalidated AXI staging address. This bypasses secure boot by not validating against SS_EXTERNAL_STAGING...

CVE-2026-11836 Production Debug-Unlock Token Verification Missing Device Binding

Insufficient verification of data authenticity in Caliptra Core ROM and Core Firmware validatedebugunlocktoken in subsystem mode allows an attacker with access to the integrator's debug unlock signing service to unlock production debug on an unintended device by presenting a valid token issued fo...

CVE-2026-11836 Production Debug-Unlock Token Verification Missing Device Binding

Insufficient verification of data authenticity in Caliptra Core ROM and Core Firmware validatedebugunlocktoken in subsystem mode allows an attacker with access to the integrator's debug unlock signing service to unlock production debug on an unintended device by presenting a valid token issued fo...

CVE-2026-11836 Production Debug-Unlock Token Verification Missing Device Binding

Insufficient verification of data authenticity in Caliptra Core ROM and Core Firmware validatedebugunlocktoken in subsystem mode allows an attacker with access to the integrator's debug unlock signing service to unlock production debug on an unintended device by presenting a valid token issued fo...

CVE-2026-11836

Insufficient verification of data authenticity in Caliptra Core ROM and Core Firmware validatedebugunlocktoken in subsystem mode allows an attacker with access to the integrator's debug unlock signing service to unlock production debug on an unintended device by presenting a valid token issued fo...

CVE-2026-11836

The CVE concerns Caliptra Core ROM and Core Firmware in subsystem mode, where validate_debug_unlock_token() fails to bind the token to a specific device. An attacker with access to the integrator’s debug unlock signing service can unlock production debug on an unintended device by presenting a va...

PT-2026-67571

Insufficient verification of data authenticity in Caliptra Core ROM and Core Firmware validate debug unlock token in subsystem mode allows an attacker with access to the integrator's debug unlock signing service to unlock production debug on an unintended device by presenting a valid token issued...

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

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

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-2026-5818 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...