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GHSA-F5F4-3HH4-F54M Pipelines-as-Code GitHub App token request can be redirected via untrusted Enterprise Host header

🗓️ 20 Aug 2026 18:36:30Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

Pipelines-as-Code trusts untrusted X-GitHub-Enterprise-Host header, enabling GitHub App credential exfiltration via webhook endpoint.

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20 Aug 2026 18:45Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.18.2
5