PT-2026-52863 · Dragonflydb · Dragonfly

Published 2026-06-26 · Updated 2026-06-26 · CVE-2026-47206

NVD

CVSS v4.0

2.3

Low

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Fix

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

CVE-2026-47206

Affected Products

Dragonfly

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-47206 · Security Note
• https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9h · Note
• https://github.com/dragonflydb/dragonfly/issues/7328 · Note
• https://github.com/dragonflydb/dragonfly/pull/7332 · Note