---
id: CVE-2026-54467
title: >-
  On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e,
  mailbox initialization on PSOC64 and RP2350 accepts a non-secure, unvalidated,
  supplied pointer.
summary: >-
  On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e,
  mailbox initialization on PSOC64 and RP2350 accepts a non-secure, unvalidated,
  supplied pointer.
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-283
published: '2026-08-26'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-54467'
references:
  - url: >-
      https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/53051/1/docs/security/security_advisories/missing_ns_pointer_validation_mailbox_init.rst#58
    label: cve@mitre.org
  - url: 'https://www.trustedfirmware.org/projects/tf-m/'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00173
epssPercentile: 0.05938
ingestedAt: '2026-09-09T16:14:05.515Z'
---

## Overview

On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization on PSOC64 and RP2350 accepts a non-secure, unvalidated, supplied pointer.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.