What is CVE-2026-30857?

CVE-2026-30857 is a medium-severity vulnerability in Tencent Weknora, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-03-07.

How severe is CVE-2026-30857?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Tencent Weknora

CVE-2026-30857

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.3.0, a cross-tenant authorization bypass in the knowledge base copy endpoint allows any authenticated user to clone (du…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Tencent Weknora — versions < 0.3.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-30857?: CVE-2026-30857 is a medium-severity vulnerability in Tencent Weknora, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-03-07.
How severe is CVE-2026-30857?: Medium severity. CVSS v3 base score is 5.3 out of 10.