High [CVE-2026-26084] Unauthenticated Control of NAT Rules Leading to Exposure of Sensitive Information
This high-severity Fortinet advisory covers CVE-2026-26084 affecting FortiSandbox Cloud, FortiSandbox PaaS.
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Summary
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
- FortiSandbox FortiSandbox: 4.4 through 5.2 (vendor-listed versions)
- FortiSandbox Cloud FortiSandbox Cloud: 4.4 through 5.0 (vendor-listed versions)
- FortiSandbox PaaS FortiSandbox PaaS: 5.0 through 5.2 (vendor-listed versions)
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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