CVE-2026-26717 - OpenFUN Richie LMS Timing Attack Vulnerability

CVE ID : CVE-2026-26717 Published : Feb. 25, 2026, 5:25 p.m. | 1 hour, 28 minutes ago Description : An issue in OpenFUN Richie (LMS) in src/richie/apps/courses/api.py. The application used the non-constant time == operator for HMAC signature verification in the sync_course_run_from_request function. This allows remote attackers to forge valid signatures and bypass authentication by measuring response time discrepancies Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...