CVE-2026-126223
Received
Received - Intake
Stack-Based Buffer Overflow in Fortinet FortiAnalyzer and FortiManager
Vulnerability report for CVE-2026-126223, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-11
Last updated on: 2026-11-11
Assigner: Fortinet, Inc.
Description
Description
A stack-based buffer overflow 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 Cloud 8.0.0 through 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, 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 Cloud 8.0.0 through 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11 may allow an authenticated administrator to execute unauthorized code or commands or cause a denial of service via specially crafted JSON-RPC requests.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Fortinet | FortiManager | From 8.0.0 (inc) to 8.0.1 (inc) |
| Fortinet | FortiManager | From 7.6.0 (inc) to 7.6.7 (inc) |
| Fortinet | FortiManager | From 7.4.0 (inc) to 7.4.11 (inc) |
| Fortinet | FortiManager Cloud | From 8.0.0 (inc) to 8.0.1 (inc) |
| Fortinet | FortiManager Cloud | From 7.6.0 (inc) to 7.6.7 (inc) |
| Fortinet | FortiManager Cloud | From 7.4.1 (inc) to 7.4.11 (inc) |
| Fortinet | FortiAnalyzer | From 8.0.0 (inc) to 8.0.1 (inc) |
| Fortinet | FortiAnalyzer | From 7.6.0 (inc) to 7.6.7 (inc) |
| Fortinet | FortiAnalyzer | From 7.4.0 (inc) to 7.4.11 (inc) |
| Fortinet | FortiAnalyzer Cloud | From 8.0.0 (inc) to 8.0.1 (inc) |
| Fortinet | FortiAnalyzer Cloud | From 7.6.0 (inc) to 7.6.7 (inc) |
| Fortinet | FortiAnalyzer Cloud | From 7.4.1 (inc) to 7.4.11 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
