Critical (9.8) in bibtex-ruby project bibtex-ruby. EPSS 2.8% chance of exploitation in the next 30 days. Fixed in bibtex-ruby 5.1.0.
BibTeX-ruby before 5.1.0 allows shell command injection due to unsanitized user input being passed directly to the built-in Ruby Kernel.open method through BibTeX.open.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)