{"action":"Upgrade rubyzip to 3.4.0 or later.","affected":[{"fixed":"3.4.0","introduced":"0"}],"component":"rubyzip","cve_ids":["CVE-2026-85396"],"ecosystem":"RubyGems","epss":0.00564,"exploited":false,"fixed_versions":["3.4.0"],"ghsa_id":"GHSA-47m2-wp7j-p9vc","id":"tcs_01M5KEGH6E5CZCF50TJ8D62N3V","modified_at":"2026-09-25T19:45:09.880068387Z","published_at":"2026-09-03T21:31:16Z","references":["https://osv.dev/vulnerability/GHSA-47m2-wp7j-p9vc","https://nvd.nist.gov/vuln/detail/CVE-2026-85396","https://github.com/rubyzip/rubyzip/commit/17edfbf4423b83211b075acc23a7d8640da63449","https://github.com/geo-chen/oss/blob/main/rubyzip.md","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubyzip/CVE-2026-85396.yml","https://github.com/rubyzip/rubyzip","https://github.com/rubyzip/rubyzip/blob/v3.3.1/lib/zip/entry.rb","https://github.com/rubyzip/rubyzip/releases/tag/v3.4.0","https://www.vulncheck.com/advisories/rubyzip-before-3.4.0-path-traversal-in-zip-entry-extract-via-sibling-directory-prefix"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-47m2-wp7j-p9vc","url":"https://osv.dev/vulnerability/GHSA-47m2-wp7j-p9vc"}],"summary":"rubyzip path traversal vulnerability"}