VulnSocial

CVE-2026-93866

LOWCVSS 9.2 · CRITICAL

Signal is active with 2 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

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled.

Back to dashboard
0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-190CWE-288CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • 2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-10-28: 210-28
Referenced assets2 URLs
Full discourse2 posts
  • VulniPulse@vulnipulse

    CVE advisory: CVE-2026-93866 - watchguard: integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond... https://vulnipulse.com/advisories/watchguard-cve-2026-93866 #CVE #CyberSecurity #WatchGuard

    1000031
    35 followersView on X
  • Eliran Emuna@EmunaEliran

    ➕ Same Fireware OS update also fixes CVE-2026-93866 ⚠️ Integer overflow in Access Portal WebSocket handling: unauthenticated remote heap out-of-bounds write 📊 CVSS 4.0: 9.2 (WatchGuard) 🎯 Only with Access Portal enabled 🛡️ Not known exploited 🔗 https://psirt.watchguard.com/CVE-2026-93866

    0000026
    75 followersView on X

Explore more

Back to dashboard