CVE-2026-47206

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

LOW
2.3
CVSS Score
Published: June 26, 2026 at 04:39 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorDragonfly

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Severity
LOW2.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.38.9
Affected range stops below 1.38.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.3LOWGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-116

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