# CVE-2026-126228: Fortinet FortiManager and FortiAnalyzer out-of-bounds write in dmworker

Source: https://junglewise.ai/threats/cve-2026-126228-a-out-of-bounds-write-vulnerability-in-fortinet-fortianalyzer-8  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-11. Updated: 2026-11-11  
License: CC BY 4.0 with a link back

CVE-2026-126228 · Severity: high · CVSS 7.2 · Published 2026-11-11

FortiManager and FortiAnalyzer are management and log collection platforms used to centrally administer and monitor enterprise security infrastructure. An out-of-bounds write vulnerability in the dmworker component allows authenticated administrators to execute arbitrary code on these systems via a specially crafted request, potentially compromising the entire managed network's configuration and security logs.

Technologies: [Fortinet Fortianalyzer](https://junglewise.ai/threats/technologies/fortianalyzer), [Fortinet Fortianalyzer Cloud](https://junglewise.ai/threats/technologies/fortianalyzer-cloud), [Fortinet FortiManager](https://junglewise.ai/threats/technologies/fortimanager), [Fortinet FortiManager Cloud](https://junglewise.ai/threats/technologies/fortimanager-cloud). Vendors: [Fortinet](https://junglewise.ai/threats/vendors/fortinet).

## Quick answers

**Is CVE-2026-126228 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-126228 being exploited in the wild.

**How severe is CVE-2026-126228?** High severity, with a CVSS score of 7.2, published 11 November 2026.

**Which products and versions are affected?** Fortinet Fortianalyzer 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.0 through 7.4.11, 7.2.4 through 7.2.12; Fortinet Fortianalyzer Cloud 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.1 through 7.4.11, 7.2.4 through 7.2.12; Fortinet FortiManager 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.0 through 7.4.11, 7.2.4 through 7.2.12; Fortinet FortiManager Cloud 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.1 through 7.4.11, 7.2.4 through 7.2.12.

**Is there a fix for CVE-2026-126228?** Yes: fixed in FortiManager 8.0.2, 7.6.8, 7.4.12, 7.2.13; FortiManager Cloud 8.0.2, 7.6.8, 7.4.12, 7.2.13; FortiAnalyzer 8.0.2, 7.6.8, 7.4.12, 7.2.13; FortiAnalyzer Cloud 8.0.2, 7.6.8, 7.4.12, 7.2.13. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-126228 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-126228?** Check whether you run Fortinet Fortianalyzer, Fortinet Fortianalyzer Cloud, Fortinet FortiManager or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in FortiManager 8.0.2, 7.6.8, 7.4.12, 7.2.13; FortiManager Cloud 8.0.2, 7.6.8, 7.4.12, 7.2.13; FortiAnalyzer 8.0.2, 7.6.8, 7.4.12, 7.2.13; FortiAnalyzer Cloud 8.0.2, 7.6.8, 7.4.12, 7.2.13

## Technical details

An out-of-bounds write vulnerability (CWE-787) in the dmworker component of FortiManager and FortiAnalyzer allows authenticated remote attackers with admin privileges to execute unauthorized code or commands. The vulnerability is triggered via a specially crafted API request and requires existing administrative access to exploit. Fixes are available in patched versions across all affected product lines.

## Affected products

- Fortinet FortiManager 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.0 through 7.4.11, 7.2.4 through 7.2.12
- Fortinet FortiManager Cloud 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.1 through 7.4.11, 7.2.4 through 7.2.12
- Fortinet FortiAnalyzer 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.0 through 7.4.11, 7.2.4 through 7.2.12
- Fortinet FortiAnalyzer Cloud 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.1 through 7.4.11, 7.2.4 through 7.2.12

## Timeline

- 2026-11-10: disclosed
- 2026-11-10: advisory: PSIRT FG-IR-26-243 published

## References

- [https://fortiguard.fortinet.com/psirt/FG-IR-26-243](https://fortiguard.fortinet.com/psirt/FG-IR-26-243)

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