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Charles Vosburgh — security research, Linux kernel contributions, and projects.

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Charles Vosburgh — Security Researcher, Linux Kernel Contributor, and Builder

I investigate how software crosses trust boundaries—and build tools that make security research more practical, accountable, and useful.

About me

I'm an independent, self-taught security researcher and developer. I learn by building, reading source, testing assumptions, and working with maintainers to turn findings into focused fixes.

My research spans authorization failures, sandbox escapes, parsers and deserialization, payment integrations, and kernel protocol and permission handling. I use AI-assisted development alongside hands-on source analysis and human review.

Security research

My public work includes 54 CVEs, 18 repository GitHub Security Advisories, and four accepted Linux mainline fixes, across 59 CVE/GHSA-identified research cases. The CVE total includes three Linux kernel findings. My kernel contributions include two authored SCTP patches and two KSMBD findings credited through Reported-by, with eighteen verified stable backports across those fixes.

I've contributed research affecting projects including Apache HTTP Server, Apache Fory, Apache OFBiz, vm2, PyJWT, TypeBox, isomorphic-git, fast-xml-parser, launch-editor, libheif, KEDA, and Yamcs, alongside WordPress plugins and payment integrations. My additional public upstream work includes a reported libucl string-copy out-of-bounds read fixed by its maintainers.

Portfolio What you'll find
CVE & GHSA research Published disclosures, root-cause analysis, affected versions, and remediation
Linux kernel contributions Accepted patches, reported findings, mainline commits, and stable backports

Projects I'm building

SecHive.ai

An operator-driven security research workbench for scoped investigations, evidence retention, reproducible analysis, and remediation review. I'm building it around deliberate scope and human-controlled disclosure decisions.

Explore SecHive.ai

GuardianNode

A local-first AI safety project for families, with a visible Windows agent, a parent-owned backend, local analysis, encrypted evidence storage, and a parent review dashboard. It's currently an alpha / developer preview built to support review and conversation, not replace human judgment.

Explore GuardianNode

Mosaivue

A local-first RTSP camera wall for Raspberry Pi and Linux, with a visual layout editor, live HDMI layout changes without rebooting, and independently rotating tiles. Cameras, credentials, layouts, and previews stay on the appliance, with no required cloud account. It's now available as a public beta.

Explore Mosaivue

More of my work

  • ThreatHive — defensive honeypot telemetry and controlled lab analysis; public alpha.
  • Dashburg — a local-first control center for agents, nodes, and AI infrastructure.

Connect

I'm interested in collaborating with maintainers, security researchers, and builders working on open-source security and practical tooling.

LinkedIn · Security research · Linux contributions · SecHive.ai

Public research totals updated November 11, 2026. CVE and GHSA counts overlap; libucl's unassigned finding is tracked separately.

About

Charles Vosburgh — security research, Linux kernel contributions, and projects.

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