[ CVE-2026-93434 · Published 27 Oct 2026 ]

Vulnerability in WatchGuard Fireware OS

CVSS 8.7 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

An XPath injection vulnerability in WatchGuard Fireware OS's SSH authentication process allows a remote, unauthenticated attacker with access to the management SSH interface to extract sensitive configuration data by submitting a specially crafted request.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

BSI CERT-Bund27 Oct 2026WID-SEC-2026-4209

WatchGuard Fireware OS: Multiple vulnerabilities Translated from German
CVE-2026-113881CVE-2026-103593CVE-2026-93434+15 more CVEs

[ References ]References

psirt.watchguard.com/CVE-2026-93434

[ Facts ]Key facts

CVE: CVE-2026-93434
EUVD: EUVD-2026-111152
Published: 27 Oct 2026, 16:17 UTC
Updated: 4 Nov 2026, 21:18 UTC
NVD status: Awaiting Analysis
CVSS 4.0: 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Scored by 5d1c2695-1a31-4499-88ae-e847036fd7e3
EPSS: 0.46% chance of exploitation in 30 days · higher than 40% of CVEs
CISA SSVC: Exploitation: none · Automatable: yes · Impact: partial
Weakness: CWE-20 CWE-208 CWE-643

[ Affected ]Affected products

WatchGuard Fireware OS12.0 – < 12.5.22

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

WatchGuard Fireware OS: Multiple vulnerabilities Translated from German

[ References ]References