{"id":"GHSA-8mfv-xhp5-48q9","summary":"Cassandra Web - Remote File Read","details":"Cassandra Web 0.5.0 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating path traversal parameters. Attackers can exploit the disabled Rack::Protection module to read sensitive system files like /etc/passwd and retrieve Apache Cassandra database credentials.","aliases":["CVE-2020-36939"],"modified":"2026-09-08T18:41:07.651834Z","published":"2026-01-27T18:32:13Z","database_specific":{"cwe_ids":["CWE-22"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-09-08T18:17:10Z","nvd_published_at":"2026-01-27T16:16:11Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36939"},{"type":"PACKAGE","url":"https://github.com/avalanche123/cassandra-web"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cassandra-web/CVE-2020-36939.yml"},{"type":"WEB","url":"https://rubygems.org/gems/cassandra-web/versions/0.5.0"},{"type":"WEB","url":"https://www.exploit-db.com/exploits/49362"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/cassandra-web-remote-file-read"}],"affected":[{"package":{"name":"cassandra-web","ecosystem":"RubyGems","purl":"pkg:gem/cassandra-web"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.5.0"}]}],"versions":["0.1.0","0.1.1","0.2.0","0.3.0","0.4.0","0.5.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-8mfv-xhp5-48q9/GHSA-8mfv-xhp5-48q9.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}