CVE-2026-54467

high

Assigned by CNA: mitre

Published 2026-08-26 · Modified 2026-08-26

Discuss on Community Propose mitigation

CVSS v3

7.0

CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.0

Description

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.

Predictions

Exploit likelihood

69%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

References

CWEs

CWE-283

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.