CVE-2026-47206: Dragonflydb Dragonfly

Low severity, CVSS 2.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Dragonfly is an in-memory data store built for modern application workloads. Prior to 1.39.9, Dragonfly has a RESP Protocol Injection via Lua redis.error_reply() in EvalSerializer. An authenticated user can inject arbitrary RESP messages into the connection's response stream, potentially causing response desynchronization in connection-pool clients. This vulnerability is fixed in 1.39.9.

Affected products

• Dragonflydb Dragonfly: before 1.38.9 (fixed in 1.38.9)

Published 2026-06-26. Last modified 2026-06-26.