by Kastro
Paper/Archive/CVE-2026-22688

CVE-2026-22688

Tencent WeKnora — WeKnora has Command Injection in MCP stdio test

EPSS 2%public exploitCVSS 10.0
critical.is priorityof 100
56
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 80.1.801 × 2016.0Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
WeKnora< 0.2.5–CNA

Scores by source

GitHub_M (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/Tencent/WeKnora/security/advisories/GHSA-78h3-63c4-5fqcrefgithub.com/Tencent/WeKnora/commit/f7900a5e9a18c99d25cec9589ead9e4e59ce04bb