CVE-2026-47206

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.

CVSS 4.0

2.3CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

CWE

CWE-116

Published

2026-06-26

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

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

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