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

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-25 · updated 2026-06-17
Weakness: CWE-266

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

vanna-ai vanna: 2.0.0, 2.0.1, 2.0.2

References

https://github.com/yidaozhongqing/York/issues/2
https://vuldb.com/submit/795331
https://vuldb.com/vuln/359520
https://vuldb.com/vuln/359520/cti

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