---
title: "CVE-2026-93434: WatchGuard Fireware OS - XPath Injection"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-93434/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93434)

## 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](https://cwe.mitre.org/data/definitions/20.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93434](https://nvd.nist.gov/vuln/detail/CVE-2026-93434)
- [https://psirt.watchguard.com/CVE-2026-93434](https://psirt.watchguard.com/CVE-2026-93434)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)