# Check your jamovi version jamovi --version unzip suspect_file.omv -d temp_dir/ cat temp_dir/metadata.json | grep -i "system("
The “jamovi 0.9.5.5 exploit” is a fascinating example of a cybersecurity ghost—a vulnerability that until this day exists more in conversation than in code. It underscores the challenges of open-source software maintenance, where unfounded reports can cause lasting reputational damage.
The phrase “jamovi 0.9.5.5 exploit” first gained traction in late 2019 on a low-profile GitHub issue (later closed as “not reproducible”) and on a security mailing list. A researcher using a pseudonym claimed to have discovered a method to execute arbitrary system commands by crafting a specially designed .omv file.
Title: The Anatomy of a Vulnerability: Reassessing the ‘Jamovi 0.9.5.5 Exploit’ and Open-Source Statistical Security