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GitHub secure_headers

CVE-2026-54163 Medium 4.7 secure_headers: CSP directive injection via sandbox, plugin_types, and report_to when given untrusted input 0.2%

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Exploit-availability signals from CVSS-BT by Stephen Shaffer (MIT license), which aggregates Metasploit (BSD), Nuclei templates (MIT), PoC-in-GitHub (CC0) and NVD (public domain).

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