{"id":"CVE-2026-107714","aliases":["DEBIAN-CVE-2026-107714","EUVD-2026-95320","GHSA-5jgv-wc2m-xv99","UBUNTU-CVE-2026-107714"],"status":"published","title":"Mechanize sends credential headers to a different scheme or port after a redirect","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00229,"percentile":0.13777,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-319","CWE-522"],"published":"2026-10-08T21:26:16Z","modified":"2026-10-28T02:30:53Z","fixes":[{"ecosystem":"Debian:14","package":"ruby-mechanize","fixed_in":["2.14.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.1-1","2.10.1-1.1","2.14.0-1","2.14.0-2","2.14.1-1","2.8.5-1"]},{"source":"osv","ecosystem":"Debian:13","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.1-1","2.10.1-1.1","2.14.0-1","2.14.0-2","2.14.1-1"]},{"source":"osv","ecosystem":"Debian:14","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.1-1"}]}],"versions":["2.10.1-1","2.10.1-1.1","2.14.0-1","2.14.0-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.3-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.5-1","2.7.5-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.6-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.7-1","2.7.7-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.5-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.1-1.1","2.14.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ruby-mechanize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.1-1.1"]}],"products":[{"vendor":"python-mechanize","product":"mechanize"},{"vendor":"sparklemotion","product":"mechanize"}],"references":[{"url":"https://github.com/sparklemotion/mechanize/security/advisories/GHSA-5jgv-wc2m-xv99","tags":["x_refsource_CONFIRM","advisory","report"]},{"url":"https://github.com/sparklemotion/mechanize/pull/676","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/sparklemotion/mechanize/commit/02a1235842d6eda8d4a5a3d8f13aba2cecf52e4f","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/sparklemotion/mechanize/commit/2f97fe358a91928e5e48221f2ec5cb50fa1a43ba","tags":["x_refsource_MISC","fix","report"]},{"url":"https://github.com/sparklemotion/mechanize/releases/tag/v2.14.1","tags":["x_refsource_MISC","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107714.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107714","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-107714","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-107714","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-107714","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-107714","title":"Mechanize sends credential headers to a different scheme or port after a redirect","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","status":"published","published":"2026-10-08T21:26:16.092Z","modified":"2026-10-09T15:06:49.265Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200","CWE-319","CWE-522"],"updated_at":"2026-11-02T13:45:14.072357Z"}],"euvd":[{"id":"EUVD-2026-95320","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","status":"published","published":"2026-10-08T21:26:16Z","modified":"2026-10-09T15:06:49Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:25.010362Z"}],"nvd":[{"id":"CVE-2026-107714","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","status":"published","published":"2026-10-08T22:17:27.003Z","modified":"2026-10-09T16:38:57.82Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200","CWE-319","CWE-522"],"updated_at":"2026-11-02T14:12:55.142936Z"}],"osv":[{"id":"CVE-2026-107714","title":"Mechanize sends credential headers to a different scheme or port after a redirect","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","status":"published","published":"2026-10-08T21:26:16.092Z","modified":"2026-10-28T02:30:53.205490411Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-319","CWE-522"],"updated_at":"2026-11-02T15:44:54.933106Z"},{"id":"DEBIAN-CVE-2026-107714","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","status":"published","published":"2026-10-08T22:17:27.003Z","modified":"2026-10-10T09:47:29.57147129Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:49.381767Z"},{"id":"UBUNTU-CVE-2026-107714","description":"The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize::HTTP::Agent#response_redirect treats redirects as same-origin when the host matches without consistently comparing scheme and port. A same-host HTTPS-to-HTTP redirect can send Authorization and Cookie headers over cleartext, while a same-host redirect to another port can send a caller-supplied Cookie header to a different service. Cookies in Mechanize#cookie_jar remain scoped separately; the issue affects caller-supplied headers and can disclose credentials without affecting integrity or availability. This issue is fixed in version 2.14.1.","status":"published","published":"2026-10-08T22:17:00Z","modified":"2026-10-17T12:59:48.104266882Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.130573Z"}]}}