Vulnerability in Tencent Weknora
CVE-2026-30855
WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.3.2, an authorization bypass in tenant management endpoints of WeKnora application allows any authenticated user to read, modify, or delete any tenant by ID. Since account registration is open to the public, this vulnerability allows any unauthenticated attacker to register an account and subsequently exploit the system. This enables cross-tenant account takeover and destruction, making the impact critical. This issue has been patched in version 0.3.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (27.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.003 · change: -0.001
Affected products
- Tencent Weknora — versions < 0.3.2
Weakness classification (CWE)
References
- github.com/Tencent/WeKnora/security/advisories/GHSA-ccj6-79j6-cq5q (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-30855?
- CVE-2026-30855 is a high-severity vulnerability in Tencent Weknora, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-03-07.
- How severe is CVE-2026-30855?
- High severity. CVSS v3 base score is 8.8 out of 10.