CVE-2026-54467
On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-54467- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-283
- Updated
- 2026-11-02
EUVDEUVD-2026-66233
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.
- Record
EUVD-2026-66233- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mv67-8j6q-2cx5
On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization...
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.
- Record
GHSA-mv67-8j6q-2cx5- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-283
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-54467- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-283
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2026-54467- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-283
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-54467
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.
- Record
UBUNTU-CVE-2026-54467- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
arm-trusted-firmwareUbuntu:20.04:LTS |
All versions, plus listed versions 2.1-32.2-2 |
None known |
arm-trusted-firmwareUbuntu:22.04:LTS |
All versions, plus listed versions 2.5+dfsg-12.6+dfsg-1 |
None known |
arm-trusted-firmwareUbuntu:24.04:LTS |
All versions, plus listed versions 2.9.0+dfsg-32.10.0+dfsg-12.10.0+dfsg-1build12.10.0+dfsg-1build2 |
None known |
arm-trusted-firmwareUbuntu:26.10 |
All versions, plus listed versions 2.12.1+dfsg-12.12.1+dfsg-1ubuntu1 |
None known |
arm-trusted-firmwareUbuntu:26.04:LTS |
All versions, plus listed versions 2.10.0+dfsg-1build22.12.1+dfsg-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-54467 is a high vulnerability (CVSS 7.0) in Trustedfirmware Trusted Firmware-m, published August 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.
References
trustedfirmware.org/projects/tf-m
review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/53051/1/docs/security/security_advisories/missing_ns_pointer_validation_mailbox_init.rst
nvd.nist.gov/vuln/detail/CVE-2026-54467
github.com/advisories/GHSA-mv67-8j6q-2cx5
ubuntu.com/security/CVE-2026-54467
cve.org/CVERecord?id=CVE-2026-54467