CVE-2026-5321: medium-severity vulnerability in vanna-ai vanna
vanna-ai vanna FastAPI/Flask Server cross-domain policy
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.2%
A flaw has been found in vanna-ai vanna up to 2.0.2. Affected by this issue is some unknown functionality of the component FastAPI/Flask Server. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
vanna-ai · vannapublic PoCs found — 1
cve_referencegithub.com/August829/CVEP/issues/14unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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