What is CVE-2026-30861?

CVE-2026-30861 is a critical-severity vulnerability in Tencent Weknora, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-03-07.

How severe is CVE-2026-30861?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Tencent Weknora

CVE-2026-30861

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 configur…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.021 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Tencent Weknora — versions >= 0.2.5, < 0.2.10

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-30861?: CVE-2026-30861 is a critical-severity vulnerability in Tencent Weknora, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-03-07.
How severe is CVE-2026-30861?: Critical severity. CVSS v3 base score is 9.9 out of 10.