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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-10 · updated 2026-06-17
Weakness: CWE-77

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 products

Tencent WeKnora: before 0.2.5 — fixed in 0.2.5

How to fix

Upgrade to a fixed version: Tencent WeKnora 0.2.5. Check the vendor advisory for mitigations.

References

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

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