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GO-2025-4113 OAuth2-Proxy is vulnerable to header smuggling via underscore leading to potential privilege escalation in github.com/oauth2-proxy/oauth2-proxy

🗓️ 17 Nov 2025 19:11:23Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

GO-2025-4113 reports header smuggling in OAuth2-Proxy enabling privilege escalation in the library.

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03 Mar 2026 04:57Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.18.5
EPSS0.00048
SSVC
3