Researcher Behind 'Exploitarium' Explains Release of Undisclosed Zero-Day Exploits

A pseudonymous researcher publicly released the 'Exploitarium' repository containing over 30 proof-of-concept exploits for zero-day vulnerabilities across many open-source projects (including a high-severity libssh2 RCE, CVE-2026-55200). The dump bypassed coordinated vulnerability disclosure, claimed use of OpenAI models for fuzzing, triggered CVE assignments and detection rule creation, and sparked debate about the risks and ethics of open exploit publication.