CVE WatchNov 11, 2026

CVE-2026-126254

A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12,

CVSS

9.6

Critical

EPSS

—

KEV

—

Exploit Today

—

0-100

Published: Nov 11, 2026 · Last modified: Nov 11, 2026 · CWE-197

EPSS · 30d

Not enough EPSS history yet.

Technical description

A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow a configured ibgp neighbor to send malicious/malformed attributes to all connected routers via a specially crafted request

Official references

fortiguard.fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-268

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