How we exploited CodeRabbit: From simple PR to RCE and write access on 1M repos

https://research.kudelskisecurity.com/2025/08/19/how-we-exploited-coderabbit-from-a-simple-pr-to-rce-and-write-access-on-1m-repositories/

371•spiridow•5h ago•122 comments

D2 (text to diagram tool) now supports ASCII renders

https://d2lang.com/blog/ascii/

114•alixanderwang•3h ago•15 comments

Emacs as your video-trimming tool

https://xenodium.com/emacs-as-your-video-trimming-tool

135•xenodium•5h ago•68 comments

Without the futex, it's futile

https://h4x0r.org/futex/

203•eatonphil•7h ago•99 comments

Perfect Freehand – Draw perfect pressure-sensitive freehand lines

https://www.perfectfreehand.com/

64•NikxDa•1h ago•4 comments

Show HN: OpenAI/reflect – Physical AI Assistant that illuminates your life

https://github.com/openai/openai-reflect

20•Sean-Der•1h ago•7 comments

How Figma’s multiplayer technology works (2019)

https://www.figma.com/blog/how-figmas-multiplayer-technology-works/

71•redbell•3d ago•32 comments

The new geography of stolen goods

https://www.economist.com/interactive/britain/2025/08/17/the-new-geography-of-stolen-goods

49•tlb•1d ago•30 comments

Candle Flame Oscillations as a Clock

https://cpldcpu.com/2025/08/13/candle-flame-oscillations-as-a-clock/

203•cpldcpu•3d ago•41 comments

Vendors that treat single sign-on as a luxury feature

https://sso.tax/

143•vinnyglennon•1h ago•75 comments

Notion releases offline mode

https://www.notion.com/help/guides/working-offline-in-notion-everything-you-need-to-know

123•ericzawo•2h ago•87 comments

AnduinOS

https://www.anduinos.com/

46•TheFreim•2h ago•58 comments

Why Semantic Layers Matter (and how to build one with DuckDB)

https://motherduck.com/blog/semantic-layer-duckdb-tutorial/

40•secondrow•4h ago•2 comments

Custom telescope mount using harmonic drives and ESP32

https://www.svendewaerhert.com/blog/telescope-mount/

238•waerhert•11h ago•86 comments

Lazy-brush – smooth drawing with mouse or finger

https://lazybrush.dulnan.net

543•tvdvd•4d ago•67 comments

A renovation project in Turkey led to the discovery of a lost city (2023)

https://www.atlasobscura.com/articles/derinkuyu-turkey-underground-city-strange-maps

52•areoform•5h ago•13 comments

Branch prediction: Why CPUs can't wait?

https://namvdo.ai/cpu-branch-prediction/

13•signa11•3d ago•14 comments

The joy of recursion, immutable data, & pure functions: Making mazes with JS

https://jrsinclair.com/articles/2025/joy-of-immutable-data-recursion-pure-functions-javascript-mazes/

20•jrsinclair•1d ago•1 comments

Launch HN: Uplift (YC S25) – Voice models for under-served languages

75•zaidqureshi•9h ago•35 comments

CRDT: Text Buffer

https://madebyevan.com/algos/crdt-text-buffer/

8•skadamat•1h ago•0 comments

Show HN: Chroma Cloud – serverless search database for AI

https://trychroma.com/cloud

67•jeffchuber•1d ago•21 comments

How to Build a Medieval Castle

https://archaeology.org/issues/september-october-2025/features/how-to-build-a-medieval-castle/

208•benbreen•16h ago•62 comments

Geotoy – Shadertoy for 3D Geometry

https://3d.ameo.design/geotoy

85•Ameo•1d ago•15 comments

CRLite: Certificate Revocation Checking in Firefox

https://hacks.mozilla.org/2025/08/crlite-fast-private-and-comprehensive-certificate-revocation-checking-in-firefox/

34•TangerineDream•5h ago•2 comments

Launch HN: Parachute (YC S25) – Guardrails for Clinical AI

48•ariavikram•6h ago•19 comments

Critical Cache Poisoning Vulnerability in Dnsmasq

https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2025q3/018288.html

106•westurner•8h ago•71 comments

Positron, a New Data Science IDE

https://posit.co/blog/positron-product-announcement-aug-2025/

110•kgwgk•7h ago•36 comments

Prime Number Grid

https://susam.net/primegrid.html

256•todsacerdoti•13h ago•89 comments

Medical cannabis patient data exposed by unsecured database

https://www.wired.com/story/highly-sensitive-medical-cannabis-patient-data-exposed-by-unsecured-database/

33•hacker_yacker•2h ago•10 comments

"Remove mentions of XSLT from the html spec"

https://github.com/whatwg/html/pull/11563

302•troupo•6h ago•369 comments

Open in hackernews

Perfect Freehand – Draw perfect pressure-sensitive freehand lines

https://www.perfectfreehand.com/

64•NikxDa•1h ago

Comments

dvh•1h ago

This one is better then previous posted earlier today, in that one I had trouble writing "B" without pointy tips.

AbuAssar•1h ago

https://news.ycombinator.com/item?id=44915897

mattbis•1h ago

This is actually handy I was intending to try and make some logos, and I only mouse...

paulgb•38m ago

This is by Steve Ruiz of https://tldraw.com, in case anyone noticed the similarity between the two.