CVE-2026-126170: A improper encoding or escaping of output vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.2, FortiAnalyzer…

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of 10 Nov 2026. If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?

0.6%

EPSS score, percentile 50.6 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

9.8 Critical

CVSS v3.1 base score, given by the CNA

What should I do?

Upgrade to upcoming FortiManager version 8.0.3 or above Upgrade to FortiManager version 7.6.8 or above Upgrade to FortiManager version 7.4.12 or above Upgrade to … Full textSolution from the CVE record.

CISA has set no required action, because the vulnerability is not in KEV.

No patch or vendor advisory is listed in the CVE record. Check Fortinet's advisories.

Which versions are affected?

Affected

• 8.0.0 through 8.0.2
• 7.6.0 through 7.6.7
• 8.0.0 through 8.0.2
• 7.6.0 through 7.6.7
• 8.0.1 through 8.0.2
• 7.6.0 through 7.6.7

and 3 more in the table below

Versions by product

Source: CISA KEV 2026.11.10, as of 10 Nov 2026; FIRST EPSS, as of 12 Nov 2026; CVE List, as of 12 Nov 2026. About the data.

Description

A improper encoding or escaping of output vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.2, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer Cloud 8.0.1 through 8.0.2, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer-BigData 7.6.0 through 7.6.2, FortiManager 8.0.0 through 8.0.2, FortiManager 7.6.0 through 7.6.7, FortiManager Cloud 8.0.1 through 8.0.2, FortiManager Cloud 7.6.0 through 7.6.7 may allow an unauthenticated attacker to execute unauthorized code or commands via a specially crafted HTTP request

Source: CVE List, as of 12 Nov 2026. About the data.

What to do

Advisories and patches

No patch, vendor advisory or mitigation is listed in the CVE record. Check Fortinet's own security advisories for a fix, and compare your version with the affected versions below.

Solution (from the CVE record)

Upgrade to upcoming FortiManager version 8.0.3 or above Upgrade to FortiManager version 7.6.8 or above Upgrade to FortiManager version 7.4.12 or above Upgrade to FortiManager version 7.2.13 or above Upgrade to upcoming FortiManager Cloud version 8.0.3 or above Upgrade to FortiManager Cloud version 7.6.8 or above Upgrade to upcoming FortiAnalyzer-BigData version 7.6.3 or above Upgrade to FortiAnalyzer-BigData version 7.4.7 or above Upgrade to upcoming FortiAnalyzer-BigData version 7.2.13 or above Upgrade to upcoming FortiAnalyzer version 8.0.3 or above Upgrade to FortiAnalyzer version 7.6.8 or above Upgrade to upcoming FortiAnalyzer Cloud version 8.0.3 or above Upgrade to FortiAnalyzer Cloud version 7.6.8 or above

This summary is based on the CVE record as of 12 Nov 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Source: CVE List, as of 12 Nov 2026. About the data.

Timeline

Known exploited Fortinet vulnerabilities

• CVE-2025-61624: Fortinet Multiple Products Path Traversal Vulnerability (added 16 Oct 2026)
• CVE-2026-104286: Fortinet FortiMail Path Traversal Vulnerability (added 1 Oct 2026)
• CVE-2025-25249: Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability (added 9 Sep 2026)
• CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (added 27 Jul 2026)
• CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability (added 16 Jul 2026)