Read the docs
TI-2026-18215 Aliases CVE-2026-22688GHSA-78h3-63c4-5fqc

WeKnora has Command Injection in MCP stdio test

Priority HIGH 76CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01936 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed WeKnora (Tencent): 0.2.5github.com/Tencent/WeKnora (Go): 0.2.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TencentWeKnorabefore 0.2.50.2.5Patch availableCNA
—github.com/Tencent/WeKnora (Go)before 0.2.50.2.5Patch availableGHSA-78h3-63c4-5fqc
  • WeKnora VendorTencent Affected before 0.2.5 Fixed in 0.2.5 Patch available CNA
  • github.com/Tencent/WeKnora (Go) Vendor— Affected before 0.2.5 Fixed in 0.2.5 Patch available GHSA-78h3-63c4-5fqc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*before 0.2.5VulnerableTencent
  • cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:* Versions before 0.2.5 Vulnerable ·Tencent

Remediation

  • Fix · CNA WeKnora (Tencent) Fixed in 0.2.5
  • Fix · GHSA-78h3-63c4-5fqc github.com/Tencent/WeKnora (Go) Fixed in 0.2.5 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22688
  2. 2026-10-03 Alias added: GHSA-78h3-63c4-5fqc

References

Exploit 1

Patch 1

Advisory 1

Other 2

  • TI-2026-23690 WeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation CVSS 3.1CRITICAL 10.0
  • TI-2026-23689 WeKnora: Remote Code Execution via SQL Injection Bypass in AI Database Query Tool CVSS 3.1CRITICAL 10.0
  • TI-2026-18214 WeKnora vulnerable to SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2026-23684 WeKnora: Broken Access Control in Tenant Management CVSS 3.1HIGH 8.8
  • TI-2025-10116 Tencent WeKnora test testEmbeddingModel server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2026-23687 WeKnora: DNS Rebinding Vulnerability in web_fetch Tool Allows SSRF to Internal Resources CVSS 3.1HIGH 7.5
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences