A scanner can miss permission bugs even when every message on the wire looks valid

lawrennd · x · 2026-07-24

The post argues that some vulnerabilities won’t show up as a CVE or as a grep-able bad line of code.

Its core point is that a scanner can find nothing because every message on the wire is syntactically valid; the real vulnerability is what the system is allowed to reach. In other words, the issue is permission and reachability, not malformed input.

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