CVE-2026-5320

HIGH

vanna-ai vanna Chat API Endpoint v2 missing authentication

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 7.3
EPSS 0.0010
EPSS Percentile 26.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-287 CWE-306
Status published
Products (3)
vanna-ai/vanna 2.0.0
vanna-ai/vanna 2.0.1
vanna-ai/vanna 2.0.2
Published Apr 02, 2026
Tracked Since Apr 02, 2026