CVE-2026-70466: Medium severity Fortinet FortiWeb vulnerability

Published Aug 12, 2026
·
Updated

A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow attacker to improper access control via <insert attack vector here>

Affected Software

5 affected components
Fortinet FortiWeb>=8.0.0<=8.0.2
Fortinet FortiWeb>=7.6.0<=7.6.5
Fortinet FortiWeb=7.4
Fortinet FortiWeb=7.2
Fortinet FortiWeb=7.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Fortinet FortiWeb to a version that resolves this vulnerability.

    Fixed in 7.6.6
  2. Upgrade

    Upgrade Fortinet FortiWeb to a version that resolves this vulnerability.

    Fixed in 8.0.3

Event History

Aug 12, 2026
CVE Published
via MITRE·12:19 PM
Data Sourced
via MITRE·12:19 PM
RemedyDescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-70466?

The severity of CVE-2026-70466 is medium, rated at 4.8.

2

How do I fix CVE-2026-70466?

To fix CVE-2026-70466, you should upgrade Fortinet FortiWeb to a version that is not impacted by this vulnerability, specifically version 8.0.3 or later.

3

What software is affected by CVE-2026-70466?

CVE-2026-70466 affects Fortinet FortiWeb versions 8.0.0 through 8.0.2, 7.6.0 through 7.6.5, and all versions of 7.4, 7.2, and 7.0.

4

What type of vulnerability is CVE-2026-70466?

CVE-2026-70466 is classified as an incomplete list of disallowed inputs vulnerability that may lead to improper access control.

5

What impact can CVE-2026-70466 have on my system?

CVE-2026-70466 can potentially allow an attacker to gain improper access control over your system.

Contact

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