CVE-2026-54467: On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization on PSOC64 and RP2350…
CVE-2026-54467 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-54467 is a vulnerability published by NVD on 8/26/2026.
What happened
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.
Affected products and versions
- NVD has not published a normalized affected-product configuration yet.
Severity and weakness
CVSS: HIGH 7. Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Weaknesses: CWE-283.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.
Official and supporting references
- No vendor advisory tagged by NVD at draft time.