Security ProbLLMs in xAI's Grok: A Deep Dive
Summary
A security researcher analyzed xAI's Grok chatbot (an AI assistant available through X and an API) for vulnerabilities and found multiple security issues, including prompt injection (tricking the AI by hiding instructions in user posts, images, and PDFs), data exfiltration (stealing information from the system), phishing attacks through clickable links, and ASCII smuggling (hiding invisible text to manipulate the AI's behavior). The researcher responsibly disclosed these findings to xAI.
Classification
Affected Vendors
Related Issues
CVE-2025-45150: Insecure permissions in LangChain-ChatGLM-Webui commit ef829 allows attackers to arbitrarily view and download sensitive
CVE-2025-54868: LibreChat is a ChatGPT clone with additional features. In versions 0.0.6 through 0.7.7-rc1, an exposed testing endpoint
Original source: https://embracethered.com/blog/posts/2024/security-probllms-in-xai-grok/
First tracked: February 12, 2026 at 02:20 PM
Classified by LLM (prompt v3) · confidence: 92%