CVE-2026-126221
Last modified
CVE-2026-126221 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A improper neutralization of special elements in output used by a downstream component ('injection') vulnerability in Fortinet FortiAnalyzer 8.0.0, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer Cloud 8.0.0, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager Cloud 8.0.0, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11 may allow an authenticated administrator to read or write arbitrary files or execute unauthorized code or commands via specially crafted requests to the GUI.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
A improper neutralization of special elements in output used by a downstream component ('injection') vulnerability in Fortinet FortiAnalyzer 8.0.0, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer Cloud 8.0.0, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager Cloud 8.0.0, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11 may allow an authenticated administrator to read or write arbitrary files or execute unauthorized code or commands via specially crafted requests to the GUI.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiManager | 8.0.0; >= 7.6.0, <= 7.6.7; >= 7.4.0, <= 7.4.11 |
| Fortinet | FortiAnalyzer | 8.0.0; >= 7.6.0, <= 7.6.7; >= 7.4.0, <= 7.4.11 |
| Fortinet | FortiAnalyzer Cloud | 8.0.0; >= 7.6.0, <= 7.6.7; >= 7.4.1, <= 7.4.11 |
| Fortinet | FortiManager Cloud | 8.0.0; >= 7.6.0, <= 7.6.7; >= 7.4.1, <= 7.4.11 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-126221?
How severe is CVE-2026-126221?
How do I fix CVE-2026-126221?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-126216A improper privilege management vulnerability in Fortinet Fo…3.8
- CVE-2026-126217A incorrect authorization vulnerability in Fortinet FortiAna…8.7
- CVE-2026-126218A authorization bypass through user-controlled key vulnerabi…8.2
- CVE-2026-126219A improper limitation of a pathname to a restricted director…7.2
- CVE-2026-12622The GridTime 3000 GNSS Time Server has an open redirect vuln…5.4
- CVE-2026-126220A improper neutralization of special elements in output used…7.2
- CVE-2026-126222A improper limitation of a pathname to a restricted director…7.2
- CVE-2026-126223A stack-based buffer overflow vulnerability in Fortinet Fort…7.2
- CVE-2026-126224A improper neutralization of argument delimiters in a comman…7.2
- CVE-2026-126225A missing authorization vulnerability in Fortinet FortiAnaly…7.1
- CVE-2026-126226A improper neutralization of special elements used in an os …7.2
- CVE-2026-126227A unintended proxy or intermediary ('confused deputy') vulne…7.2
Are you affected by CVE-2026-126221?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST