CVE-2026-5320 MEDIUM

CVE-2026-5320: vanna-ai vanna Chat API Endpoint v2 missing authentication

Vendor Vanna-Ai
Product vanna
Weakness CWE-306 · Missing auth
Published April 2, 2026
Last update April 2, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

April 2, 2026 CVE published
April 2, 2026 Record updated