Ruby WEBrick

1 published vulnerability names this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2025-64421.8.1Ruby WEBrick read_header HTTP Request Smuggling VulnerabilityMEDIUM 6.50.5 %