vulnerability-research
36 posts
I built Burp Suite in Rust
Technical breakdown of an open-source Burp Suite alternative - proxy core, fuzzer, scanner depth, Collaborator gap, and what it means for vuln research.
The IIS virtual directory that won't stop bleeding
Technical analysis of the Exchange Server zero-day, the frontend-to-backend trust boundary it abuses, and what fires in EDR and IIS telemetry.
?auth=YWRtaW46MTEK and a million open cameras
Technical breakdown of the auth bypass, P2P relay, and default-credential failures that exposed over a million IP cameras and baby monitors.
Mandiant clocked 5 days in 2023
Mean time-to-exploit for critical CVEs has collapsed to days. The mechanism is patch diffing, n-day industrialisation, and telemetry gaps on appliances.
Mid-2024: a drunk LLM found a ksmbd kernel bug
How researchers used degraded LLM prompts to find a remote OOB write in the Linux kernel's ksmbd module, and what it means for kernel security.
NGINX ships emergency patch for HTTP/3 heap overflow
CVE-2026-42945 technical analysis: heap overflow in NGINX HTTP/3 HEADERS frame parsing, worker RCE primitive, telemetry gaps, and patch boundary.
Patching nginx doesn't close this one
CVE-2026-42945 NGINX rewrite module heap buffer overflow: bug mechanism, exploit primitives, MITRE mapping, and EDR telemetry blind spots in worker exploitation.
CVE-2026-31337: Dirty Frag roots every major distro
Technical analysis of CVE-2026-31337 'Dirty Frag': a Linux kernel UAF in IP fragment reassembly giving local root across major distros.
Dirty Frag roots every kernel
Technical analysis of CVE-2026-3490 'Dirty Frag' - a page_frag refcount UAF in the Linux kernel enabling local root on stock 5.15-6.8 kernels.
Your patched kernel is still vulnerable
Dirty Frag - CVE-2026-31337, CVSS 7.8 - is a UAF in the Linux kernel's IPv4 fragment reassembly path. Container-to-host root on every major distro.
Chrome's fourth 2026 zero-day ships mid-cycle
Google's fourth exploited Chrome zero-day of 2026 patches a V8 type confusion bug. The real risk is the patch-to-deployment window.
Pick offense or defense
Two paths into infosec - offense and defense - broken down at the mechanism level. Foundation, tooling, telemetry, and the divergence point.