Junglewise Threat Intelligence

CVE-2026-78103: WatchGuard Dimension configuration lock bypass

CVE-2026-78103 · Severity: info · CVSS 5.1 · Published 2026-08-28

Technologies: Watchguard Dimension. Vendors: Watchguard.

Executive brief

WatchGuard Dimension is a centralized logging and management platform for security appliances. The product includes a lock/unlock control to prevent concurrent administrators from overwriting each other's configuration changes, but the server does not enforce this lock on the backend. An authenticated administrator can bypass the lock mechanism and directly modify configurations, potentially overwriting changes made by another administrator and disrupting network security settings.

Technical details

This is an improper enforcement of behavioral workflow vulnerability (CWE-841) where the client-side lock/unlock UI control for configuration changes is not validated on the server side. An authenticated administrator with read-write privileges can submit configuration changes directly to the server endpoint without completing the required UI unlock step, bypassing the intended concurrent-edit protection workflow. The attack requires valid administrative credentials and network access to the management endpoint. An attacker can overwrite configuration changes being made by another concurrent administrator session, potentially causing configuration inconsistencies or enabling malicious settings. The vulnerability was patched in Dimension 2.3.1.

Affected products

  • WatchGuard Dimension 2.0 to 2.3.0

Timeline

  • 2026-08-27: disclosed
  • 2026-08-27: patched: Fixed in Dimension 2.3.1

References

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