Top all-time · #11347
NebuSec
Company blog · nebusec.ai/researchsecurity
NebuSec is the company blog at nebusec.ai, writing about security. Since 2026, 7 different Hacker News readers have linked it 9 times, most often “We won $92,337 bug bounty using a single kernel 0-day”. It is still writing: the last post was on 2026-10-21, and you can follow it by feed.
Too few sampled comments (5) to say how often HN recommends it.?
Why HN links it
HN readers link NebuSec's security research write-ups on the IonStack exploit chain, combining a Firefox IonMonkey 0-day with the GhostLock Linux kernel 0-day, plus related CVE details and mitigations.
Summarised by Claude from a sample of 5 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
NebuSec builds Nebu, an AI security platform for continuous code and cloud protection, backed by researchers who find zero-days in Chrome and Linux.
Most-linked posts?
- We won $92,337 bug bounty using a single kernel 0-day4 people · 6 mentions · first linked 2026-07-08
What Hacker News says?
CVE-2026-53359 - https://github.com/V4bel/Januscape/blob/main/assets/write-up... CVE-2026-43499 - https://nebusec.ai/research/ionstack-part-2/
Comment linking /research/ionstack-part-2/
on “Show HN: Clawk – Give coding agents a disposable Linux VM, not your laptop”Submitted We won $92,337 bug bounty using a single kernel 0-day as a story · 4 points
HN discussionSee also https://nebusec.ai/research/ionstack-part-2/#mitigation for the fullpatch and two other mitigations
Comment linking /research/ionstack-part-2/
on “We won $92,337 bug bounty using a single kernel 0-day”Submitted GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 years as a story · 3 points
HN discussionRead our technical walkthrough here to see how we won almost $10k bug bounty from a single Linux kernel 0-day -- GhostLock. Chaining GhostLock with a Firefox 0-day, we managed to remote control any Android device (even the latest Android 17) from a simple URL click. We name this full-chain exploit "IonStack", because it's IonMonkey 0-day in Firefox and a StackOverflow in Linux kernel. Our blog post -> https://nebuse…
Comment linking /research/ionstack-part-2/
on “We won $92,337 bug bounty using a single kernel 0-day”Submitted Investigating the PingCAP Security Incident as a story · 2 points
HN discussionNo, GhostLock is not browser to Kernel. https://nebusec.ai/research/v8-maglev-incorrect-phis-untaggi... This is the browser part.
Comment linking /research/v8-maglev-incorrect-phis-untagging/
on “GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 years”Submitted GhostLock, a stack-UAF that has existed in ALL Linux distributions for 15 years as a story · 2 points
HN discussionCould also be https://nebusec.ai/research/ionstack-part-2/
Comment linking /research/ionstack-part-2/
on “HPCs taken offline due to a serious security vulnerability”