VulnSocial

CVE-2026-90465

LOWCVSS 9.4 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-77CWE-290CWE-306CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-28: 110-28
Referenced assets1 URL
By indicator
Full discourse1 post
  • Eliran Emuna@EmunaEliran

    ➕ Same Fireware OS update also fixes CVE-2026-90465 ⚠️ Missing auth in FireCluster Sync: attacker on the cluster link can run firewall actions as root 📊 CVSS 4.0: 8.7 (WatchGuard), NVD 9.4 🎯 FireCluster members only 🛡️ Not known exploited 🔗 https://psirt.watchguard.com/CVE-2026-90465 https://t.co/PeEaoxy9l7

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    76 followersView on X

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