Search: CVE-2026-26961

Multiple vulnerabilities were discovered in the Ruby Rack webserver interface affecting header parsing, regular expressions, static file handling, and resource consumption. These issues could allow attackers to bypass security filters, cause denial of service through excessive CPU or disk usage, manipulate header values, exfiltrate data, disclose deployment details, or poison generated links. The vulnerabilities are addressed in the updated package version 3.2.4-1ubuntu1.1.