CVE-2026-47206

EUVD-2026-39810
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitHub_MCNA
2.3 LOW
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
dragonflydbdragonfly
𝑥
< 1.38.9
CNA
Common Weakness Enumeration
References
https://github.com/dragonflydb/dragonfly/issues/7328
https://github.com/dragonflydb/dragonfly/pull/7332
https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9h
https://github.com/dragonflydb/dragonfly/issues/7328