CVE-2026-54467 | TrustedFirmware Trusted Firmware-M up to 2.3.0 Mailbox input validation

August 26, 2026 Yanac

A vulnerability was found in TrustedFirmware Trusted Firmware-M up to 2.3.0. It has been declared as very critical. Affected by this issue is some unknown functionality of the component Mailbox. Such manipulation leads to improper input validation.

This vulnerability is referenced as CVE-2026-54467. The attack can only be performed from a local environment. No exploit is available.

It is advisable to implement a patch to correct this issue.VulDB Recent EntriesRead More