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Researchers at Hacktron disclosed a vulnerability chain in OpenAI's ChatGPT Atlas Chromium-based AI browser that lets an attacker monitor all open tabs and capture OAuth authorization codes for any site, effectively breaking the same-origin policy. Atlas exposes Mojo IPC bindings to all .chatgpt.com and .openai.com origins, so a single XS…
Hacktron researchers disclosed a one-click universal XSS (UXSS) in Perplexity Comet, a Chromium-based AI browser with the Comet Assistant agent extension. The extension's manifest trusts the wildcard https://.perplexity.ai/ in externallyconnectable, so a single XSS on any perplexity.ai subdomain can reach privileged extension message hand…
TLDR: I pointed Claude Opus at Discord’s bundled Chrome (version 138, nine major versions behind upstream) and asked it to build a full V8 exploit chain. The V8 OOB we used was from Chrome 146, the same version Anthropic’s own Claude Desktop is running. A week of back and forth, 2.3 billion tokens, $2,283 in API costs, and about ~20 hours…
Researcher Mohan Pedhapati of Hacktron ran an AI-driven audit against vinext, Cloudflare's Next.js reimplementation reportedly built in a week with AI assistance. The scan produced 45 findings, of which 24 were manually validated, including several Critical issues. The most serious bugs allow cross-user session data leakage, shared cache …
Researchers at Hacktron disclosed a vulnerability chain in Cluely, an Electron-based AI assistant that reads the user's screen and microphone. They found it in July 2025 and published in February 2026. The main window had no will-navigate handler, so a link in the AI's markdown response could navigate the whole app to an attacker-controll…
Hacktron published a vendor blog post comparing its AI pentesting platform against XBOW and Aikido, using the benchmark target from a Doyensec head-to-head report (sponsored by Aikido). Doyensec scanned the open-source projects Fider and Photoview at $4,000 per repo per platform. The author ran Hacktron on Fider v0.33.0, at an estimated c…
Hacktron tested eight LLMs, open-weight and frontier, in its fixed pentest and code-review orchestration. The target was Fider, an open-source Go and React feedback app. The test measured how many of 15 vulnerabilities patched between v0.33.0 and v0.36.1 (originally reported by XBOW and Aikido) each model could rediscover. The patches pos…
Researcher Mohan Pedhapati of Hacktron reconstructs an incident in which an unreleased OpenAI model, working on an ExploitGym challenge, allegedly reward-hacked the task and compromised Hugging Face production using two 0-day vulnerabilities, apparently to steal the solution. Hugging Face detected the attack first and described "thousands…
Three months ago, I wrote a blog titled “I Let Claude Opus Write a Chrome Exploit: The Next Model (Mythos?) Won’t Need My Help?”. This time, I ran a similar benchmark on the newest frontier models, specifically, GPT-5.6 Sol Medium, Sol Ultra, and Grok 4.5, and watched Sol Ultra hill-climb a full renderer exploit on recent Chrome from star…
