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CVE-2026-22688

WeKnora has Command Injection in MCP stdio test

Published: Jan 10, 2026Updated: Jan 22, 2026 Sources: CVE List NVD GHSACWE-77
NVD MITRE
9.9CVSSCRITICAL
EPSS Score
1.7%
Top 25.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, there is a command injection vulnerability that allows authenticated users to inject stdio_config.command/args into MCP stdio settings, causing the server to execute subprocesses using these injected values. This issue has been patched in version 0.2.5.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-77

Affected Products

WeKnoraTencent
Mixed
Communications / messaging-chat
github.com/Tencent/WeKnoraGoOSS Libraries
weknoratencent
Mixed
Communications / messaging-chat
tencentcommercialCNCommunicationsaka tencent wechat, tencent hunyuan
gopackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://github.com/Tencent/WeKnora/security/advisories/GHSA-78h3-63c4-5fqc
github.com
https://github.com/Tencent/WeKnora/commit/f7900a5e9a18c99d25cec9589ead9e4e59ce04bb
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-22688
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Jan 10, 2026
Last Updated
Jan 22, 2026

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