Vulnerability · Published Jan 10, 2026 · Assigned by GitHub_M

CVE-2026-22688WeKnora has Command Injection in MCP stdio test

Critical 10.0

In plain English

A critical-severity command injection in WeKnora from Tencent. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.9%top 19.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/Tencent/WeKnora0.2.5GHSA-78h3-63c4-5fqc
Gogithub.com/Tencent/WeKnora0.2.5GO-2026-4292

Affected products (as reported)

VendorProductVersions
Tencent WeKnora < 0.2.5

Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References