CWE-494: Download of Code Without Integrity Check
The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.
Overview
An attacker can execute malicious code by compromising the host server, performing DNS spoofing, or modifying the code in transit.
Real-world CVEs
137 recorded CVEs are caused by CWE-494 (Download of Code Without Integrity Check), including 4 in CISA's KEV (Known Exploited Vulnerabilities) catalog. KEVs are shown first. 21 new CWE-494 CVEs have been recorded so far in 2026 (33 in 2025).