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GitHub: OAuth redirect uri validation bypass for :proxima_first_party_sync apps

🗓️ 06 Mar 2026 04:44:39Reported by ahacker1Type 
hackerone
 hackerone
🔗 hackerone.com👁 53 Views

OAuth redirect URI validation bypass in GitHub Enterprise Server for proxima sync apps; fixed in several versions.

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21 Jul 2026 21:43Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.8
CVSS 47.5
EPSS0.00426
SSVC
53