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High7.4Fortinet

CVE-2026-126255: Fortinet Improper neutralization of special elements in output used by a downstream component in sshd

This Fortinet advisory covers CVE-2026-126255 in FortiOS, FortiPAM and FortiSASE.

Open the Fortinet advisory

Key facts

Vendor rating
High, CVSS 7.4
CISA KEV
Not listed (catalogue checked )
Affected
FortiOS: 7.2.0 through 8.0.1 (vendor-listed versions); FortiPAM: 1.0.0 through 1.6.2 (vendor-listed versions); FortiSASE: 25.1.a through 26.3.1_a (vendor-listed versions)
Advisory id
FG-IR-26-269
Source published
Source revised
Listed by VulniPulse

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Affected products & platforms

FortinetFortiGateFirewallFortiOS

Description

CVSSv3 Score:

7.4

A Path Traversal vulnerability [cwe-24] in FortiOS, FortiSASE, FortiProxy and FortiPam ssh daemon may allow an unauthenticated attacker to bypass authentication via specially crafted credentials.

Revised on 2026-11-10 00:00:00

Text from the source record.

Affected versions
  • FortiOS: 7.2.0 through 8.0.1 (vendor-listed versions)
  • FortiPAM: 1.0.0 through 1.6.2 (vendor-listed versions)
  • FortiSASE: 25.1.a through 26.3.1_a (vendor-listed versions)

Official advisory · high-confidence parse· fetched ·verify at source

End-of-life dates for Fortinet FortiOS

Fortinet advisories, November 2026All Fortinet advisories

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