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GHSA-XJHR-FM27-4HMX OpenFUN Richie Observable Timing Discrepancy in its sync_course_run_from_request function

🗓️ 25 Feb 2026 18:31:38Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 6 Views

Non-constant time HMAC check in OpenFUN Richie sync_course_run_from_request enables forgery.

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13 Jul 2026 16:42Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.14.8
EPSS0.00376
6