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.

References (4)

Core 4
Core References
Vdb Entry vdb-entry
VDB-354652 | vanna-ai vanna Chat API Endpoint v2 missing authentication
https://vuldb.com/vuln/354652
Signature, Permissions Required signature permissions-required
VDB-354652 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/354652/cti
Third Party Advisory third-party-advisory
Submit #780727 | vanna-ai vanna 2.0.2 Missing Authentication on All API Endpoints
https://vuldb.com/submit/780727
Exploit exploit issue-tracking
https://github.com/August829/CVEP/issues/13

Scores

CVSS v3 7.3
EPSS 0.0041
EPSS Percentile 32.8%
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