CVE-2026-103471: Corvusoft Restbed

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

restbed through 5.0.0 buffers HTTP request headers without enforcing a maximum size limit, allowing remote unauthenticated attackers to exhaust server memory. Attackers can open TCP connections and stream bytes indefinitely without sending the header delimiter, forcing the server to allocate unbounded heap memory until the process is killed.

Affected products

• Corvusoft Restbed: up to and including 5.0.0

Published 2026-09-30. Last modified 2026-09-30.