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CVE-2026-63178 Onyx Curator-scope IDOR: any curator can modify membership of arbitrary user groups via unscoped PATCH /manage/admin/user-group/{id} and /add-users leading to cross-group document disclosure

🗓️ 17 Aug 2026 21:30:40Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Onyx EE <4.3.0 IDOR lets curators modify arbitrary user groups causing cross-group document disclosure.

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20 Aug 2026 03:30Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.5
3