Fortinet PSIRT AdvisoriesFG-IR-26-166

Unauthenticated Control of NAT Rules Leading to Exposure of Sensitive Information

CVSSv3 Score: 8.9 An improper access control vulnerability [CWE-284] in FortiSandbox, FortiSandbox Cloud and FortiSandbox PaaS WEB UI may allow an unauthenticated attacker to access sensitive information via crafted HTTP requests. Revised on 2026-09-08 00:00:00

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8.9CVSS out of 10High severity

Scope

What the vendor says is affected

FortiSandbox
FortiSandbox Cloud

Timeline

When this advisory changed

Sep 8, 2026 at 7:00 AM UTC
Published by Fortinet
The publication date reported by the vendor.
Sep 8, 2026 at 5:10 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Sep 13, 2026 at 4:50 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Source

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Vendor: Fortinet
Advisory ID: FG-IR-26-166
Last source check: Sep 13, 2026 at 4:50 AM UTC

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What the vendor says is affected

When this advisory changed

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