Insecure HTTP configuration retrieval in Sogou Input Method allows arbitrary code execution

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-120422
StatePUBLISHED
AssignerESET
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-04 10:17:26 UTC
Updated2026-11-04 10:17:26 UTC
DescriptionSogou Input Method for Windows contains a vulnerability in the configuration retrieval mechanism of its SGTool.exe component. The application retrieves configuration data over unencrypted HTTP connections, allowing an attacker capable of manipulating network traffic to replace legitimate server responses with malicious configurations. An attacker can exploit this vulnerability to instruct SGTool.exe to download attacker-controlled files to arbitrary locations, including paths used by legitimate application components. This can result in arbitrary code execution when the downloaded files are subsequently executed or loaded by the application.

Risk And Classification

Primary CVSS: v4.0 8.9 HIGH from [email protected]

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/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:N/AU:X/R:U/V:D/RE:M/U:X

Problem Types: CWE-1428 CWE-1428 Reliance on HTTP instead of HTTPS

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.9HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/C...
4.0CNACVSS8.9HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/S:N/R...

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
Passive
Confidentiality
High
Integrity
High
Availability
None
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/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:N/AU:X/R:U/V:D/RE:M/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sogou Sogou Input Method affected 16.10 custom Windows

References

ReferenceSourceLinkTags
www.welivesecurity.com/en/eset-research/slippynunchucks-hijacks-sogou-input-methods-... [email protected] www.welivesecurity.com
pinyin.sogou.com/changelog.php [email protected] pinyin.sogou.com
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