Vulnerability · Published Apr 2, 2026 · Assigned by VulDB

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

High 7.3

In plain English

A high-severity missing authentication in vanna from vanna-ai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.4%top 63.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
vanna-ai	vanna	2.0.02.0.12.0.2

Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-354652 | vanna-ai vanna Chat API Endpoint v2 missing authentication vdb-entry
VDB-354652 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #780727 | vanna-ai vanna 2.0.2 Missing Authentication on All API Endpoints third-party-advisory
https://github.com/August829/CVEP/issues/13 exploit, issue-tracking