ruby-lang vulnerabilities
Recent CVEs affecting ruby-lang products. 1 tracked.
ruby-lang has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-16. Highest priority: CVE-2026-27820 (score 51/100).
- CVE-2026-27820 CRITICAL 9.8 UPGRADE zlib is a Ruby interface for the zlib compression/decompression library
FAQ
How do I fix ruby-lang vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is ruby-lang being exploited right now?
None of the tracked ruby-lang CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which ruby-lang CVE should I patch first?
CVE-2026-27820 currently ranks highest (51/100): zlib is a Ruby interface for the zlib compression/decompression library.