Archive - Sparse Vector

What the Model Reveals, and What It Just Makes Up

Series finale — OWASP LLM07 & LLM09

Aug 13 • Rishabh Gupta

The Free Cody Proxy That Sourcegraph’s Own Traffic Spike Exposed

A case study in OWASP LLM10: Unbounded Consumption

Aug 12 • Rishabh Gupta

The LangChain Bug That Turned a Math Question Into Remote Code Execution

A case study in OWASP LLM05: Improper Output Handling

Aug 9 • Rishabh Gupta

AI Just Made 30 Years of DNA Evidence Vulnerable to Tampering

A fresh finding

Aug 5 • Rishabh Gupta

The First Documented Case of One AI Agent Attacking Another

A fresh finding — published today

Aug 4 • Rishabh Gupta

How a Model on Hugging Face Became a Reverse Shell

A case study in OWASP LLM03: Supply Chain

Aug 2 • Rishabh Gupta

July 2026

How Slack AI Could Leak Data With No Clever Attacker Required

OWASP LLM06 — Excessive Agency

Jul 29 • Rishabh Gupta

Part 3 — LLM04: Data and Model Poisoning

Two real incidents — a lobotomized model on Hugging Face, and Anthropic's own research into backdoors that survive safety training

Jul 26 • Rishabh Gupta

Sensitive Data and Vector Weaknesses: What OWASP's LLM02 and LLM08 Actually Cover

Part 2 of 6 in a series going through the OWASP LLM Top 10 one category at a time — this time: what leaks, and where it lives

Jul 21 • Rishabh Gupta

LLM01: Prompt Injection — The Three-Axis Framework Nobody Reads

Part 1 of 6 in a series going through the OWASP LLM Top 10 one category at a time

Jul 14 • Rishabh Gupta

I Learned Rust by Rebuilding My RAG Pipeline — Here's What Python Was Hiding From You

The standard Rust advice: read the book, do the exercises, build a todo app.

Jul 7 • Rishabh Gupta

June 2026

The Algorithm Behind Every Vector Database Search — And Why It Matters for AI Engineers

When I built AskS1.com — a tool that lets you ask questions about the SpaceX S-1 filing and get cited answers — I spent a lot of time thinking about…

Jun 28 • Rishabh Gupta

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