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FastAPI Users Vulnerable to 1-click Account Takeover in Apps Using FastAPI SSO

🗓️ 07 Jul 2026 16:03:13Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 10 Views

OAuth state tokens are stateless and lack per-request entropy, enabling login forgery and potential account takeover.

Related
Detection
Refs
Vulners
Node
pypifastapi-usersRange015.0.2

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07 Jul 2026 17:24Current
6Medium risk
Vulners AI Score6
CVSS 3.15.9 - 8.8
EPSS0.00222
SSVC
10