CVE-2026-5321
Medium
Description
A flaw has been found in vanna-ai vanna up to 2.0.2. Affected by this issue is some unknown functionality of the component FastAPI/Flask Server. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
SeverityMedium
CVSS4.3
Exploit probability—
ProductVanna
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-942CWE-942CWE-346CWE-346
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vanna-ai vanna | 2.0.0, 2.0.1, 2.0.2 | — |
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