UpHeron
All vulnerabilities

Servers and applications

CVE-2026-126253

A authentication bypass by primary weakness 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 an unauthenticated attacker to broadcast LSA via specially crafted request

Severity
Critical 9.3
Published
11 Nov 2026
Last changed
11 Nov 2026
Added to UpHeron
11 Nov 2026
Weakness
CWE-305
Attack
From the same local network · No login needed · No user action needed
Attacker can
Change data · Take it down
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:P/RL:O/RC:C
Sources
CVE Program

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cna:fortinet|fortios
  • From 7.0.1 up to 7.0.19
  • From 7.2.0 up to 7.2.13
  • From 7.4.0 up to 7.4.12
  • From 7.6.0 up to 7.6.7
  • From 8.0.0 up to 8.0.1
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 7.0.1 up to 7.0.19
  • From 7.2.0 up to 7.2.13
  • From 7.4.0 up to 7.4.12
  • From 7.6.0 up to 7.6.7
  • From 8.0.0 up to 8.0.1

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-126253