AI Security — week of 2026-06-01

June 1, 2026· 29 developments

Automated digest. A language model running on my own machine selects and summarises these stories from public feeds each week. I do not review them item by item, so a headline or summary can be wrong. The labels, such as "corroborated", are generated too. Check the linked source before relying on anything here.

This week's stories

ChatGPT Vulnerable to Phishing Attacks

The Hacker News · 2026-05-29 · corroborated · reporting

ChatGPT’s vulnerability to phishing attacks via prompt injection poses a significant security risk.

Also: BleepingComputer · The Register Sec · The Register Sec

AI-Powered Attacks Target Ukraine

The Hacker News · 2026-05-29 · corroborated · reporting

GREYVIBE’s use of AI-powered attacks against Ukraine highlights the growing threat of AI-assisted offense.

Also: The Register Sec

AI-Generated Code Not Accepted by SQLite

Simon Willison · 2026-05-27 · single-source · research

SQLite’s rejection of AI-generated code raises questions about the reliability and security of AI-produced software.

Claude Sandboxing Techniques

Simon Willison · 2026-05-30 · single-source · research

Anthropic’s Claude sandboxing techniques demonstrate a promising approach to containing AI agents.

AI-Assisted Bug Hunting Boosts Security

The Hacker News · 2026-05-23 · corroborated · reporting

The use of AI-powered bug hunting has significantly improved vulnerability discovery and security.

Also: The Register Sec

Copilot Cowork Leaks Files via Prompt Injection

Simon Willison · 2026-05-26 · single-source · research

The vulnerability of Copilot Cowork to prompt injection attacks highlights the need for improved security measures in AI-assisted development tools.

AI Security Incidents Affect Half of Organizations

The Register Sec · 2026-05-27 · corroborated · reporting

The prevalence of AI-related security incidents underscores the importance of addressing AI security risks.

Also: The Register Sec

Meta AI Bot Vulnerable to Password Reset Tricks

Krebs on Security · 2026-06-01 · single-source · reporting

The vulnerability of Meta’s AI-powered support bot to password reset tricks poses a significant security risk.

OpenAI Codex Tokens Stolen in Supply Chain Attack

The Hacker News · 2026-06-01 · single-source · reporting

The theft of OpenAI Codex tokens in a supply chain attack highlights the need for improved security measures in AI development.

Malicious npm Package Targets Claude AI User Files

The Hacker News · 2026-05-27 · single-source · reporting

The discovery of a malicious npm package targeting Claude AI user files underscores the importance of securing AI-related infrastructure.

AI Chatbots Spread Cryptojacking Malware

The Hacker News · 2026-05-27 · single-source · reporting

The use of AI chatbots to spread cryptojacking malware highlights the growing threat of AI-assisted attacks.

AI-Powered DDoS Attacks Become More Powerful

The Hacker News · 2026-05-26 · single-source · reporting

The increasing power of AI-powered DDoS attacks poses a significant threat to online security.

CERT-In Urges Faster Patching Due to AI-Assisted Attacks

The Hacker News · 2026-05-26 · corroborated · reporting

The need for faster patching in response to AI-assisted attacks highlights the importance of proactive security measures.

Also: The Register Sec

Megalodon Attacks GitHub CI/CD Workflows

The Hacker News · 2026-05-22 · single-source · reporting

The vulnerability of GitHub CI/CD workflows to Megalodon attacks underscores the need for improved security in AI-related development infrastructure.

Gemini Jailbreak Uses AI in Hacking Spree

The Register Sec · 2026-05-22 · single-source · reporting

The use of AI in the Gemini jailbreak highlights the growing threat of AI-assisted attacks.

Microsoft Opensources AI Safety Tools

The Register Sec · 2026-05-21 · single-source · reporting

Microsoft’s open-sourcing of AI safety tools demonstrates a commitment to improving AI security.

Undisclosed AI Sandbox Vulnerability Poses Risk

The Register Sec · 2026-05-20 · single-source · reporting

The existence of an undisclosed AI sandbox vulnerability highlights the need for improved security measures in AI development.

AI Speeds Up Vulnerability Discovery

Schneier · 2026-06-01 · single-source · analysis

The use of AI in vulnerability discovery has significant implications for security disclosure dynamics.

AI Aids macOS Exploit

Schneier · 2026-05-21 · single-source · analysis

The use of AI in exploiting macOS vulnerabilities highlights the growing threat of AI-assisted attacks.

Benchmarks Don’t Measure AI Security

Schneier · 2026-05-20 · single-source · analysis

The limitations of benchmarks in measuring AI security underscore the need for more comprehensive evaluation methods.

Nx Console Supply Chain Vulnerability

CISA Advisories · 2026-05-28 · single-source · advisory

The discovery of a supply chain vulnerability in Nx Console highlights the importance of securing AI-related infrastructure.

Claude Opus 4.8 Improves Honesty

Simon Willison · 2026-05-28 · single-source · research

The improvement of honesty in Claude Opus 4.8 demonstrates progress in AI development.

curl Team Overwhelmed by AI-Assisted Reports

Simon Willison · 2026-05-26 · single-source · research

The overwhelming of the curl team by AI-assisted reports highlights the need for improved security measures in AI-related development infrastructure.

Monty Sandbox Shows Promise

Simon Willison · 2026-05-22 · single-source · research

The Monty sandbox demonstrates a promising approach to containing AI agents.

AI Writes Cisco Reports with Errors

The Register Sec · 2026-05-22 · single-source · reporting

The use of AI in writing Cisco reports with errors highlights the limitations of AI-assisted development tools.

GlassWorm Malware Affects Dev Supply Chain

The Hacker News · 2026-05-27 · single-source · reporting

The discovery of GlassWorm malware affecting the dev supply chain underscores the importance of securing AI-related infrastructure.

AI Security Incidents Require Improved Measures

The Register Sec · 2026-05-27 · single-source · reporting

The prevalence of AI-related security incidents highlights the need for improved security measures.

AI-written emails

Simon Willison · 2026-05-26 · single-source · research

Security engineers should care about AI misuse

LLM agent used

The Hacker News · 2026-05-29 · single-source · reporting

AI-assisted offense expands attack scope