# CVE-2026-126145: CVE-2026-126145

Status: published. Published: 2026-11-11. Updated: 2026-11-14.

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an authenticated administrator with system-time read-write access to execute unauthorized code or commands as root.

## Remediation

- fix: Upgrade to FortiMail version 8.0.2 or above
Upgrade to FortiMail version 7.6.7 or above
Upgrade to FortiMail version 7.4.9 or above (source: CNA: fortinet)

## Affected products and versions

- Fortinet / FortiMail: ≥ 8.0.0; ≤ 8.0.1 (affected, semver); ≥ 7.6.0; ≤ 7.6.6 (affected, semver); ≥ 7.4.0; ≤ 7.4.8 (affected, semver); ≥ 7.2.0; ≤ 7.2.9 (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:F/RL:O/RC:C; source: CNA: fortinet

- 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; source: NVD: psirt@fortinet.com

- CISA KEV: No listing in collected sources

- EPSS: 0.96% as of 2026-11-13; percentile 62.00%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-78

## Exploit evidence

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

## References

- https://fortiguard.fortinet.com/psirt/FG-IR-26-197 (CNA: fortinet)

- https://fortiguard.fortinet.com/psirt/FG-IR-26-197 (psirt@fortinet.com)

## Provenance

- CNA: fortinet: https://www.cve.org/CVERecord?id=CVE-2026-126145; retrieved 2026-11-14; source updated 2026-11-14

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-126145; retrieved 2026-11-13; source updated 2026-11-12

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-126145; retrieved 2026-11-14; source updated Not reported

Revision: 5e9cdc4318ca5a954a975ee42d94773391150740b8ef577b044909cf3e9bec10

Canonical: https://y2.dev/cve/CVE-2026-126145

## Agent and API access

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- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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