CVE-2026-78403 Unauthenticated Stack Buffer Overflow in Sentinel Keys Server

Stack-based buffer overflow and missing
authorization vulnerability in Thales Sentinel Keys Server on Windows allows
Overflow Buffers. Sentinel Keys Server does not check the length of the first
field in the HTTP request. An attacker may craft an HTTP request and send it to
Sentinel Keys Server. It may lead to remote code execution as NT
AUTHORITY\SYSTEM.

This issue affects Sentinel Keys Server:
versions lower than 1.3.8.0.