CVE-2026-30861

critical · 9.9

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. From version 0.2.5 to before version 0.2.10, an unauthenticated remote code execution (RCE) vulnerability exists in the MCP stdio configuration validation. The application allows unrestricted user registration, meaning any attacker can create an account and exploit the command injection flaw. Despite implementing a whitelist for allowed commands (npx, uvx) and blacklists for dangerous arguments and environment variables, the validation can be bypassed using the -p flag with npx node. This allows any attacker to execute arbitrary commands with the application's privileges, leading to complete system compromise. This issue has been patched in version 0.2.10.

9.9

CVSS

2.1%

EPSS (exploit prob.)

80th

EPSS percentile

2026-03-07

Published

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

Weaknesses

CWE-78

Affected products

Vendor	Product	Affected versions
tencent	weknora	>= 0.2.5, < 0.2.10

Check a specific version with /api/v1/cve/match.

References

https://github.com/Tencent/WeKnora/security/advisories/GHSA-r55h-3rwj-hcmg

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-30861