CVE-2026-126171

EUVD-2026-123841

11.11.2026, 22:17

A use of externally-controlled format string vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer 7.2.0 through 7.2.12, FortiAnalyzer Cloud 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiAnalyzer Cloud 7.2.1 through 7.2.12, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2.0 through 7.2.12, FortiManager Cloud 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2.1 through 7.2.12 may allow an authenticated attacker to execute unauthorized commands via specially crafted HTTP request

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
fortinet	CNA	7.2 HIGH	NETWORK	LOW	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).

Vendor	Product	Version	Source
fortinet	fortimanager	8.0.0 ≤ 𝑥 ≤ 8.0.1	CNA
fortinet	fortimanager	7.6.0 ≤ 𝑥 ≤ 7.6.7	CNA
fortinet	fortimanager	7.4.0 ≤ 𝑥 ≤ 7.4.11	CNA
fortinet	fortimanager	7.2.0 ≤ 𝑥 ≤ 7.2.12	CNA
fortinet	fortimanager	7.0.0 ≤ 𝑥 ≤ 7.0.16	CNA
fortinet	fortianalyzer	8.0.0 ≤ 𝑥 ≤ 8.0.1	CNA
fortinet	fortianalyzer	7.6.0 ≤ 𝑥 ≤ 7.6.7	CNA
fortinet	fortianalyzer	7.4.0 ≤ 𝑥 ≤ 7.4.11	CNA
fortinet	fortianalyzer	7.2.0 ≤ 𝑥 ≤ 7.2.12	CNA
fortinet	fortianalyzer	7.0.0 ≤ 𝑥 ≤ 7.0.16	CNA
fortinet	fortimanager	8.0.1	CNA
fortinet	fortimanager	7.4.1 ≤ 𝑥 ≤ 7.4.11	CNA
fortinet	fortimanager	7.2.1 ≤ 𝑥 ≤ 7.2.12	CNA
fortinet	fortimanager	7.0.1 ≤ 𝑥 ≤ 7.0.16	CNA
fortinet	fortianalyzer	8.0.1	CNA
fortinet	fortianalyzer	7.4.1 ≤ 𝑥 ≤ 7.4.11	CNA
fortinet	fortianalyzer	7.2.1 ≤ 𝑥 ≤ 7.2.12	CNA
fortinet	fortianalyzer	7.0.1 ≤ 𝑥 ≤ 7.0.16	CNA

Common Weakness Enumeration

CWE-134 - Use of Externally-Controlled Format String
The software uses a function that accepts a format string as an argument, but the format string originates from an external source.

Vulnerability Media Exposure

[GERMAN] Fortinet Produkte: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Fortinet FortiManager, Fortinet FortiOS, Fortinet FortiMail, Fortinet FortiClient und Fortinet FortiAnalyzer ausnutzen, um beliebigen Programmcode auszuführen, seine Rechte auszuweiten, Sicherheitsmechanismen zu umgehen, einen Denial of Service herbeizuführen, sowie um Daten offenzulegen und zu manipulieren.
Published: 2026-11-10T23:00:00+00:00

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-220