Vulnerability · Published Apr 25, 2026 · Assigned by VulDB

CVE-2026-6977vanna-ai vanna Legacy Flask API improper authorization

High 7.3

In plain English

A high-severity security flaw 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 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.3%top 79.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in vanna-ai vanna up to 2.0.2. The affected element is an unknown function of the component Legacy Flask API. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit has been disclosed publicly 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-285, CWE-266 · 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-359520 | vanna-ai vanna Legacy Flask API improper authorization vdb-entry
VDB-359520 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
Submit #795331 | vanna-ai vanna 2.0.2 Unauthorized access to all API endpoints third-party-advisory
https://github.com/yidaozhongqing/York/issues/2 exploit, issue-tracking