CVE-2019-16779

In CVE-2019-16779, RubyGem excon before 0.71.0 contains a race condition on persistent connections where an interrupted connection can leave data on the socket, causing subsequent requests to return content from the previous response. This affects ruby-excon packages across multiple distributions...

CVE-2026-54171

Excon CVE-2026-54171 concerns the RedirectFollower middleware in Ruby’s Excon prior to v1.5.0, which failed to redact additional sensitive headers when following redirects. The issue could allow leakage of header data from the initial request to the redirected target. A fix is available in v1.5.0...