cd /news/ai-safety/a-public-sentry-key-is-all-it-takes-… · home › topics › ai-safety › article
[ARTICLE · art-35734] src=thenewstack.io ↗ pub= topic=ai-safety verified=true sentiment=↓ negative

A public Sentry key is all it takes to hijack Claude Code, Cursor, and Codex

Tenet Security's Threat Labs team reported on June 17 that a public Sentry key can be exploited to hijack AI coding tools including Claude Code, Cursor, and Codex, highlighting a critical security vulnerability in AI-agent workflows.

read1 min views38 publishedJun 21, 2026

On June 17, the Threat Labs team at Tenet Security, an AI-agent security startup newly out of stealth, documented an

The post A public Sentry key is all it takes to hijack Claude Code, Cursor, and Codex appeared first on The New Stack.

source & further reading
thenewstack.io — original article OpenAI’s Dots boundary problem rate doubled in longer tests OpenAI exposes “new variety of prompt injection” that can spread like computer worms Anthropic launches Claude Sonnet 5.5 with near-Opus performance at half the price
── more in #ai-safety 4 stories · sorted by recency
── more on @tenet security 3 stories trending now
sponsored brought to you by zahid.host 4,200+ EU-deployed projects
reading about agents? ship yours in a single git push.

Run your AI side-project on zahid.host

EU-based hosting, git-push deploys, automatic HTTPS, no cold starts. Free tier with a custom domain — perfect for shipping the agent you just read about.

$git push zahid main
→ Live at https://your-agent.zahid.host ✓
Get free account → Pricing
from €0/mo · no card required
LIVE [news/a-public-sentry-key-…] indexed:0 read:1min 2026-06-21 · —