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OpenAdvisories
Low · 2.3 CVE-2026-47206 EUVD-2026-39810

Dragonfly: RESP Protocol Injection via Lua redis.error_reply() in EvalSerializer

Published Jun 26, 2026 · Updated Jun 26, 2026 · Assigned by GitHub_M

Description

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

VendorProductAffectedFixed
dragonflydb dragonfly < 1.38.9 —

References