# CVE-2026-126220: CVE-2026-126220

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

A improper neutralization of special elements in output used by a downstream component ('injection') vulnerability in Fortinet FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 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.

## Remediation

- fix: Upgrade to FortiManager version 8.0.1 or above
Upgrade to FortiManager version 7.6.8 or above
Upgrade to FortiManager version 7.4.12 or above (source: CNA: fortinet)

## Affected products and versions

- Fortinet / FortiManager: 8.0.0 (affected); ≥ 7.6.0; ≤ 7.6.7 (affected, semver); ≥ 7.4.0; ≤ 7.4.11 (affected, semver). Source: CNA: fortinet

## Severity and prioritization

- 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/E:P/RL:O/RC:C; source: CNA: fortinet

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-74

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://fortiguard.fortinet.com/psirt/FG-IR-26-236 (CNA: fortinet)

## Provenance

- CNA: fortinet: https://www.cve.org/CVERecord?id=CVE-2026-126220; retrieved 2026-11-11; source updated 2026-11-11

Revision: dfcc018ce20ce148d6358680bb83e96d5341d5fbdf1eb559f6198cbb70743c8f

Canonical: https://y2.dev/cve/CVE-2026-126220

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