CVE-2026-93434 WatchGuard Fireware OS - XPath Injection

WatchGuard Fireware OS contains an XPath injection caused by improper input validation in the SSH authentication process, letting remote unauthenticated attackers extract sensitive configuration data via the management SSH interface.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.46% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
XPath Injection
Impact
Information Disclosure
CVSS vector
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
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-20

Vendor fix

Update to the latest version of WatchGuard Fireware OS.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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