cve.bz

CVE-2026-126171 fortinet

7.2 highEPSS 0.6%

High (7.2) in fortinet. EPSS 0.6% estimated probability of exploitation activity in the next 30 days.

On this page
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

Severity

CVSS 3.1

7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.6% estimated probability of exploitation activity in the next 30 days; 48th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-134 Use of Externally-Controlled Format String
Published
Modified
Assigned by
fortinet (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-126171 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-126171?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-126171?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-126171 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-126171

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-126171](https://cve.bz/cve/badge/CVE-2026-126171.svg)](https://cve.bz/cve/CVE-2026-126171)

HTML:

<a href="https://cve.bz/cve/CVE-2026-126171"><img src="https://cve.bz/cve/badge/CVE-2026-126171.svg" alt="CVE-2026-126171"></a>

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
Fortinet FortiManagerfrom 8.0.0 through 8.0.1
Fortinet FortiManagerfrom 7.6.0 through 7.6.7
Fortinet FortiManagerfrom 7.4.0 through 7.4.11
Fortinet FortiManagerfrom 7.2.0 through 7.2.12
Fortinet FortiManagerfrom 7.0.0 through 7.0.16
Fortinet FortiAnalyzerfrom 8.0.0 through 8.0.1
Fortinet FortiAnalyzerfrom 7.6.0 through 7.6.7
Fortinet FortiAnalyzerfrom 7.4.0 through 7.4.11
Fortinet FortiAnalyzerfrom 7.2.0 through 7.2.12
Fortinet FortiAnalyzerfrom 7.0.0 through 7.0.16
Fortinet FortiManager Cloud8.0.1
Fortinet FortiManager Cloudfrom 7.6.0 through 7.6.7
Fortinet FortiManager Cloudfrom 7.4.1 through 7.4.11
Fortinet FortiManager Cloudfrom 7.2.1 through 7.2.12
Fortinet FortiManager Cloudfrom 7.0.1 through 7.0.16
Fortinet FortiAnalyzer Cloud8.0.1
Fortinet FortiAnalyzer Cloudfrom 7.6.0 through 7.6.7
Fortinet FortiAnalyzer Cloudfrom 7.4.1 through 7.4.11
Fortinet FortiAnalyzer Cloudfrom 7.2.1 through 7.2.12
Fortinet FortiAnalyzer Cloudfrom 7.0.1 through 7.0.16

Attack patterns (CAPEC)

  • CAPEC-67 String Format Overflow in syslog() Likelihood: High · Severity: Very High
  • CAPEC-135 Format String Injection Likelihood: High · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

Check your stackJSON