PSIRT SQL Injection via API Summary An improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability [CWE-89] in FortiDDoS-F may allow an authenticated attacker to run arbitrary SQL queries on the database by sending crafted HTTP requests. Version Affected Solution FortiDDoS-F 7.2 7.2.1 through 7.2.2 Upgrade to 7.2.3 or above FortiDDoS-F 7.0 Not affected Not Applicable FortiDDoS-F 6.6 Not affected Not Applicable FortiDDoS-F 6.5 Not affected Not Applicable FortiDDoS-F 6.4 Not affected Not Applicable FortiDDoS-F 6.3 Not affected Not Applicable Acknowledgement Internally discovered and reported by David Maciejak of Fortinet Product Security team. Timeline 2026-04-14: Initial publication IR Number FG-IR-26-119 Published Date Apr 14, 2026 Component API Severity High Discovered Internal Attack Type Authenticated Known Exploited No CVSSv3 Score 7.9 Impact Execute unauthorized code or commands CVE ID CVE-2026-39815 Download CVRF CSAF
An authenticated SQL injection vulnerability (CVE-2026-39815, CVSSv3 7.9) in the FortiDDoS-F API allows an attacker to execute arbitrary SQL queries via crafted HTTP requests. The vulnerability specifically affects FortiDDoS-F version 7.2.1 through 7.2.2. The fix is to upgrade to version 7.2.3 or above.