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🔒 Enforce TLS Certificate Validation across Proxy and Transports - #12

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fix-ssl-cert-none-vulnerability-5863515571072380750
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🔒 Enforce TLS Certificate Validation across Proxy and Transports#12
maattyi wants to merge 1 commit into
mainfrom
fix-ssl-cert-none-vulnerability-5863515571072380750

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@maattyi

@maattyi maattyi commented May 1, 2026

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🎯 What: Removed the verify_ssl configuration option and ssl.CERT_NONE fallbacks from H2Transport, DomainFronter, and ProxyServer.

⚠️ Risk: Allowing the user to disable SSL validation (verify_ssl = False -> ssl.CERT_NONE) allows Man-In-The-Middle (MITM) attacks where an attacker could intercept and decrypt traffic since the application is blindly trusting any certificate presented.

🛡️ Solution: The verify_ssl flag was completely removed from the configuration, class initializations, and logic across the src/ directory. By doing so, ssl.create_default_context() inherently enforces proper strict hostname verification and certificate validation (ssl.CERT_REQUIRED).


PR created automatically by Jules for task 5863515571072380750 started by @maattyi

🎯 **What:** Removed the `verify_ssl` configuration option and `ssl.CERT_NONE` fallbacks from `H2Transport`, `DomainFronter`, and `ProxyServer`.

⚠️ **Risk:** Allowing the user to disable SSL validation (`verify_ssl = False` -> `ssl.CERT_NONE`) allows Man-In-The-Middle (MITM) attacks where an attacker could intercept and decrypt traffic since the application is blindly trusting any certificate presented.

🛡️ **Solution:** The `verify_ssl` flag was completely removed from the configuration, class initializations, and logic across the `src/` directory. By doing so, `ssl.create_default_context()` inherently enforces proper strict hostname verification and certificate validation (`ssl.CERT_REQUIRED`).

Co-authored-by: maattyi <228237318+maattyi@users.noreply.github.com>
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