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Vulnerability Details :

CVE-2026-47206

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-26 Jun, 2026 | 16:39
Updated At-26 Jun, 2026 | 17:31
Rejected At-
Credits

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

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:26 Jun, 2026 | 16:39
Updated At:26 Jun, 2026 | 17:31
Rejected At:
▼CVE Numbering Authority (CNA)
Dragonfly: RESP Protocol Injection via Lua redis.error_reply() in EvalSerializer

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
Vendor
dragonflydb
Product
dragonfly
Versions
Affected
  • < 1.38.9
Problem Types
TypeCWE IDDescription
CWECWE-116CWE-116: Improper Encoding or Escaping of Output
Type: CWE
CWE ID: CWE-116
Description: CWE-116: Improper Encoding or Escaping of Output
Metrics
VersionBase scoreBase severityVector
4.02.3LOW
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
Version: 4.0
Base score: 2.3
Base severity: LOW
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9h
x_refsource_CONFIRM
https://github.com/dragonflydb/dragonfly/issues/7328
x_refsource_MISC
https://github.com/dragonflydb/dragonfly/pull/7332
x_refsource_MISC
Hyperlink: https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9h
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/dragonflydb/dragonfly/issues/7328
Resource:
x_refsource_MISC
Hyperlink: https://github.com/dragonflydb/dragonfly/pull/7332
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/dragonflydb/dragonfly/issues/7328
exploit
Hyperlink: https://github.com/dragonflydb/dragonfly/issues/7328
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:26 Jun, 2026 | 18:16
Updated At:26 Jun, 2026 | 18:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.3LOW
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/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
N/A
Type: Secondary
Version: 4.0
Base score: 2.3
Base severity: LOW
Vector:
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/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
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-116Primarysecurity-advisories@github.com
CWE ID: CWE-116
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/dragonflydb/dragonfly/issues/7328security-advisories@github.com
N/A
https://github.com/dragonflydb/dragonfly/pull/7332security-advisories@github.com
N/A
https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9hsecurity-advisories@github.com
N/A
https://github.com/dragonflydb/dragonfly/issues/7328134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/dragonflydb/dragonfly/issues/7328
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/dragonflydb/dragonfly/pull/7332
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-h77h-c6hc-qc9h
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/dragonflydb/dragonfly/issues/7328
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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