{"schema_version":"1.7.3","id":"GHSA-22h5-pq3x-2gf2","published":"2025-03-03T22:07:53Z","modified":"2026-07-08T07:38:27.360074907Z","aliases":["CVE-2025-27221"],"related":["CGA-5w7v-pfgx-27j2","CVE-2025-61594"],"summary":"URI allows for userinfo Leakage in URI#join, URI#merge, and URI#+","details":"There is a possibility for userinfo leakage by in the uri gem.\nThis vulnerability has been assigned the CVE identifier CVE-2025-27221. We recommend upgrading the uri gem.\n\n## Details\n\nThe methods `URI#join`, `URI#merge`, and `URI#+` retained userinfo, such as `user:password`, even after the host is replaced. When generating a URL to a malicious host from a URL containing secret userinfo using these methods, and having someone access that URL, an unintended userinfo leak could occur.\n\nPlease update URI gem to version 0.11.3, 0.12.4, 0.13.2, 1.0.3 or later.\n\n## Affected versions\n\nuri gem versions < 0.11.3, 0.12.0 to 0.12.3, 0.13.0, 0.13.1 and 1.0.0 to 1.0.2.\n\n## Credits\n\nThanks to Tsubasa Irisawa (lambdasawa) for discovering this issue.\nAlso thanks to nobu for additional fixes of this vulnerability.","affected":[{"package":{"name":"uri","ecosystem":"RubyGems","purl":"pkg:gem/uri"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.3"}]}],"versions":["0.10.0","0.10.0.1","0.10.0.2","0.10.0.3","0.10.1","0.10.2","0.10.3","0.11.0","0.11.1","0.11.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/03/GHSA-22h5-pq3x-2gf2/GHSA-22h5-pq3x-2gf2.json"}},{"package":{"name":"uri","ecosystem":"RubyGems","purl":"pkg:gem/uri"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.12.0"},{"fixed":"0.12.4"}]}],"versions":["0.12.0","0.12.1","0.12.2","0.12.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/03/GHSA-22h5-pq3x-2gf2/GHSA-22h5-pq3x-2gf2.json"}},{"package":{"name":"uri","ecosystem":"RubyGems","purl":"pkg:gem/uri"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.13.0"},{"fixed":"0.13.2"}]}],"versions":["0.13.0","0.13.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/03/GHSA-22h5-pq3x-2gf2/GHSA-22h5-pq3x-2gf2.json"}},{"package":{"name":"uri","ecosystem":"RubyGems","purl":"pkg:gem/uri"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.0.3"}]}],"versions":["1.0.0","1.0.1","1.0.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/03/GHSA-22h5-pq3x-2gf2/GHSA-22h5-pq3x-2gf2.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27221"},{"type":"WEB","url":"https://github.com/ruby/uri/pull/154"},{"type":"WEB","url":"https://github.com/ruby/uri/pull/155"},{"type":"WEB","url":"https://github.com/ruby/uri/pull/156"},{"type":"WEB","url":"https://github.com/ruby/uri/pull/157"},{"type":"WEB","url":"https://hackerone.com/reports/2957667"},{"type":"PACKAGE","url":"https://github.com/ruby/uri"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html"},{"type":"WEB","url":"https://www.cve.org/CVERecord?id=CVE-2025-27221"},{"type":"WEB","url":"https://www.ruby-lang.org/en/news/2025/02/26/security-advisories"}],"database_specific":{"cwe_ids":["CWE-200","CWE-212"],"github_reviewed":true,"github_reviewed_at":"2025-03-03T22:07:53Z","nvd_published_at":"2025-03-04T00:15:31Z","severity":"LOW"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N"}]}