I built a CVE patch-ops tool for indie SaaS shops in a weekend (open scan, honest comparison vs vuls.io)

I built a CVE patch-ops tool for indie SaaS shops in a weekend (open scan, honest comparison vs vuls.io) Last week Hostinger emailed every customer about CVE-2026-31431 — the "Copy Fail" Linux kernel local-privilege-escalation. A 732-byte Python script gets root via algif_aead AF_ALG + splice() . Every kernel between 2017 and the upstream fix in early 2026. I run a one-person SaaS on a Hostinger VPS. I read the advisory, dropped a modprobe blacklist, and was patched in 30 minutes. Then I realize