CVE-2026-5321

Summary

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.

Affected Software

VendorProductVersion RangeStatus
vanna-aivanna2.0.0affected
vanna-aivanna2.0.1affected
vanna-aivanna2.0.2affected

Weaknesses

  • CWE-942: Permissive Cross-domain Policy with Untrusted Domains
  • CWE-346: Origin Validation Error

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References