Ravie LakshmananJun 22, 2026AI Security / Vulnerability

Cybersecurity researchers have disclosed details of four vulnerabilities in Dify, an open-source agentic workflow platform with more than 146,000 GitHub stars, that could allow attackers to stealthily read artificial intelligence (AI) conversions from other customers' applications without requiring authentication.

The vulnerabilities have been collectively codenamed DifyTap by Zafran Security.

"Two were critical severity, two required no authentication, and three carried cross-tenant impact on Dify's multi-tenant cloud service, allowing one customer's data to be exposed to another," researchers Ido Shani and Gal Zaban said.

The security defects could have allowed attackers to read private AI chats from other customers' applications, creating a covert exfiltration channel for every message and model response.