{"action":"Upgrade rack to 2.2.12 or later.","affected":[{"fixed":"2.2.12","introduced":"0"},{"fixed":"3.0.13","introduced":"3.0"},{"fixed":"3.1.11","introduced":"3.1"}],"component":"rack","cve_ids":["CVE-2025-27111"],"ecosystem":"RubyGems","epss":0.0075,"exploited":false,"fixed_versions":["2.2.12","3.0.13","3.1.11"],"ghsa_id":"GHSA-8cgq-6mh2-7j6v","id":"tcs_01M5KEJ00VYVQC38WAPT3HX4Z4","modified_at":"2026-09-10T03:50:22.988112884Z","published_at":"2025-03-04T15:27:06Z","references":["https://osv.dev/vulnerability/GHSA-8cgq-6mh2-7j6v","https://github.com/rack/rack/security/advisories/GHSA-8cgq-6mh2-7j6v","https://nvd.nist.gov/vuln/detail/CVE-2025-27111","https://github.com/rack/rack/commit/803aa221e8302719715e224f4476e438f2531a53","https://github.com/rack/rack/commit/aeac570bb8080ca7b53b7f2e2f67498be7ebd30b","https://github.com/rack/rack/commit/b13bc6bfc7506aca3478dc5ac1c2ec6fc53f82a3","https://github.com/rack/rack","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2025-27111.yml","https://lists.debian.org/debian-lts-announce/2025/03/msg00016.html"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-8cgq-6mh2-7j6v","url":"https://osv.dev/vulnerability/GHSA-8cgq-6mh2-7j6v"},{"source":"nvd","source_id":"CVE-2025-27111","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27111"}],"summary":"Escape Sequence Injection vulnerability in Rack lead to Possible Log Injection"}