Auth bypass in Vanna-Ai Vanna
CVE-2026-6977
A security vulnerability has been detected in vanna-ai vanna up to 2.0.2. The affected element is an unknown function of the component Legacy Flask API. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (39.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% 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: 0.005 · change: 0.000
Affected products
- Vanna-Ai Vanna — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
References
- vuldb.com/vuln/359520 (vdb-entry)
- vuldb.com/vuln/359520/cti (signature, permissions-required)
- vuldb.com/submit/795331 (third-party-advisory)
- github.com/yidaozhongqing/York/issues/2 (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-6977?
- CVE-2026-6977 is a high-severity vulnerability in Vanna-Ai Vanna, classified under Incorrect Privilege Assignment. CVSS score: 7.3/10. Published 2026-04-25.
- How severe is CVE-2026-6977?
- High severity. CVSS v3 base score is 7.3 out of 10.