CVE-2026-86135: Dimension CSRF Vulnerability in Database Snapshot Creation Allows Denial of Service

Severity: high (CVSS 7.0 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-08 · updated 2026-09-08
Weakness: CWE-352

Description

A Cross-Site Request Forgery (CSRF) vulnerability in WatchGuard Dimension's database snapshot creation feature allows a remote attacker to trigger unauthorized snapshot creation by tricking an authenticated administrator into visiting a specially crafted web page.

Affected products

WatchGuard Dimension: from 2.0 before 2.3.1 — fixed in 2.3.1

How to fix

Upgrade to a fixed version: WatchGuard Dimension 2.3.1. Check the vendor advisory for mitigations.

References

https://psirt.watchguard.com/CVE-2026-86135

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