What is CVE-2026-13054?

CVE-2026-13054 is a high-severity vulnerability in Watchguard Fireboxcloud, classified under Path Traversal. CVSS score: 7.2/10. Published 2026-07-03.

How severe is CVE-2026-13054?

High severity. CVSS v3 base score is 7.2 out of 10.

Path Traversal in Watchguard Fireboxcloud

CVE-2026-13054

A path traversal vulnerability in the WatchGuard Fireware OS Management Web UI allows a privileged authenticated attacker to write arbitrary files on the Firebox's filesystem.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Watchguard Fireboxcloud
Watchguard Firebox_m270
Watchguard Firebox_m290
Watchguard Firebox_m295
Watchguard Firebox_m370
Watchguard Firebox_m390
Watchguard Firebox_m395
Watchguard Firebox_m440
Watchguard Firebox_m4600
Watchguard Firebox_m470

Weakness classification (CWE)

CWE-22 — Path Traversal

References

5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory, Vendor Advisory)
5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory)

Frequently asked questions

What is CVE-2026-13054?: CVE-2026-13054 is a high-severity vulnerability in Watchguard Fireboxcloud, classified under Path Traversal. CVSS score: 7.2/10. Published 2026-07-03.
How severe is CVE-2026-13054?: High severity. CVSS v3 base score is 7.2 out of 10.