{"id":"CVE-2018-20060","details":"urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.","aliases":["GHSA-www2-v7xj-xrc6","PYSEC-2018-32"],"modified":"2026-04-10T04:08:56.345552Z","published":"2018-12-11T17:29:00.380Z","related":["ALSA-2020:1605","MGASA-2019-0258","SUSE-FU-2022:0444-1","SUSE-FU-2022:0445-1","SUSE-SU-2019:2300-1","SUSE-SU-2019:2331-1","SUSE-SU-2019:2370-1","SUSE-SU-2019:2399-1","openSUSE-SU-2019:2131-1","openSUSE-SU-2024:11234-1","openSUSE-SU-2024:11277-1","openSUSE-SU-2024:12944-1","openSUSE-SU-2024:14055-1","openSUSE-SU-2024:14144-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXLAXHM3Z6DUCXZ7ZXZ2EAYJXWDCZFCT/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWP36YW3KSVLXDBY3QJKDYEPCIMN3VQZ/"},{"type":"WEB","url":"https://usn.ubuntu.com/3990-1/"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SJERZEJDSUYQP7BNBXMBHRHGY26HRZD/"},{"type":"ADVISORY","url":"https://github.com/urllib3/urllib3/issues/1316"},{"type":"ADVISORY","url":"https://github.com/urllib3/urllib3/pull/1346"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2272"},{"type":"ADVISORY","url":"https://github.com/urllib3/urllib3/blob/master/CHANGES.rst"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20241227-0010/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1649153"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/urllib3/urllib3","events":[{"introduced":"0"},{"fixed":"7c216f433e39e184b84cbfa49e41135a89e4baa0"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.23"}]}}],"versions":["0.3","0.3.1","0.4","0.4.1","1.1","1.10.3","1.10.4","1.11","1.12","1.13","1.13.1","1.14","1.15","1.15.1","1.16","1.18","1.19","1.2","1.2.1","1.20","1.21","1.21.1","1.22","1.3","1.4","1.5","1.6","1.7","1.7.1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"28"}]},{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"30"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20060.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}