Patchfirst
CVE-2026-93865 Critical · 9.2 EPSS 0.5%

A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote…

WatchGuard · Fireware OS

Summary

A missing authentication flaw in the FireCluster synchronization daemon of WatchGuard's Fireware OS lets a remote party invoke privileged, system-level administrative actions. An unauthenticated attacker can do this by sending a specially crafted request to the FireCluster management IP, provided the clustering feature is enabled.

Official description · NVD

A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to invoke privileged system-level administrative actions by sending a specially crafted request to the FireCluster management IP when the clustering feature is enabled.

Breakdown
15.8 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 27 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 3 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
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