PSIRTRestricted CLI escape using Lua
Summary
An Internal Asset Exposed to Unsafe Debug Access Level or State vulnerability [CWE-1244] in FortiOS and FortiProxy may allow an authenticated admin to execute lua scripts via crafted CLI commands.
| Version | Affected | Solution |
|---|---|---|
| FortiOS 7.6 | 7.6.0 through 7.6.2 | Upgrade to 7.6.3 or above |
| FortiOS 7.4 | 7.4.0 through 7.4.7 | Upgrade to 7.4.8 or above |
| FortiOS 7.2 | 7.2.0 through 7.2.10 | Upgrade to 7.2.11 or above |
| FortiProxy 7.6 | 7.6.0 through 7.6.3 | Upgrade to 7.6.4 or above |
| FortiProxy 7.4 | 7.4.0 through 7.4.10 | Upgrade to 7.4.11 or above |
| FortiProxy 7.2 | 7.2.0 through 7.2.14 | Upgrade to 7.2.15 or above |
Acknowledgement
Fortinet is pleased to thank The UK's National Cyber Security Centre (NCSC) for reporting this vulnerability under responsible disclosure.Timeline
2026-06-09: Initial publication