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Vulnerability record · CVE-2026-22688 · published 10 January 2026

CVE-2026-22688: Tencent weknora command injection vulnerability

Tencent · Weknora

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.

8.8 CVSS 3.1 High EPSS 2.0% · top 20.5% CWE-77 · Command injection
8.8CVSS 3.1 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-22688), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.