{"id":"CVE-2019-12300","aliases":["DEBIAN-CVE-2019-12300","EUVD-2019-0025","GHSA-g86p-hgx5-2pfh","PYSEC-2019-6","UBUNTU-CVE-2019-12300"],"status":"published","title":"Improper Authentication in Buildbot","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. 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victim.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01841,"percentile":0.79142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2019-05-23T14:18:06Z","modified":"2026-10-24T10:30:30Z","fixes":[{"ecosystem":"PyPI","package":"buildbot","fixed_in":["1.8.2","2.3.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"buildbot","fixed_in":["2.0.1-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"buildbot","fixed_in":["2.0.1-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"buildbot","fixed_in":["2.0.1-2"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"buildbot","fixed_in":["2.3.1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.3.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2"}]}],"versions":["0.7.10","0.7.10p1","0.7.11","0.7.11p1","0.7.11p2","0.7.11p3","0.7.12","0.7.3","0.7.5","0.7.6","0.7.7","0.7.8","0.7.9","0.8.0","0.8.1","0.8.10","0.8.12","0.8.13","0.8.14","0.8.1p1","0.8.2","0.8.3","0.8.3p1","0.8.4","0.8.4p1","0.8.4p2","0.8.5","0.8.6","0.8.6p1","0.8.7","0.8.7p1","0.8.8","0.8.9","0.9.0","0.9.0.post1","0.9.0b1","0.9.0b2","0.9.0b3","0.9.0b4","0.9.0b5","0.9.0b6","0.9.0b7","0.9.0b8","0.9.0b9","0.9.0rc1","0.9.0rc2","0.9.0rc3","0.9.0rc4","0.9.1","0.9.10","0.9.11","0.9.12","0.9.13","0.9.14","0.9.15","0.9.15.post1","0.9.2","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","0.9.9.post1","0.9.9.post2","1.0.0","1.1.0","1.1.1","1.1.2","1.2.0","1.3.0","1.4.0","1.5.0","1.6.0","1.7.0","1.8.0","1.8.1"]},{"source":"osv","ecosystem":"PyPI","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.3.1"}]}],"versions":["2.0.1","2.1.0","2.2.0","2.3.0"]},{"source":"osv","ecosystem":"PyPI","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2"},{"introduced":"2.0.1"},{"fixed":"2.3.1"}]}],"versions":["0.7.10p1","0.7.11p1","0.7.11p2","0.7.11p3","0.8.1p1","0.8.3p1","0.8.4p1","0.8.4p2","0.8.6p1","0.8.7p1","0.7.3","0.7.5","0.7.6","0.7.7","0.7.8","0.7.9","0.7.10","0.7.11","0.7.12","0.8.0","0.8.1","0.8.2","0.8.3","0.8.4","0.8.5","0.8.6","0.8.7","0.8.8","0.8.9","0.8.10","0.8.12","0.8.13","0.8.14","0.9.0b1","0.9.0b2","0.9.0b3","0.9.0b4","0.9.0b5","0.9.0b6","0.9.0b7","0.9.0b8","0.9.0b9","0.9.0rc1","0.9.0rc2","0.9.0rc3","0.9.0rc4","0.9.0","0.9.0.post1","0.9.1","0.9.2","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","0.9.9.post1","0.9.9.post2","0.9.10","0.9.11","0.9.12","0.9.13","0.9.14","0.9.15","0.9.15.post1","1.0.0","1.1.0","1.1.1","1.1.2","1.2.0","1.3.0","1.4.0","1.5.0","1.6.0","1.7.0","1.8.0","1.8.1","2.0.1","2.1.0","2.2.0","2.3.0"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.12-3.2ubuntu2","1.1.1-3ubuntu4","1.1.1-3ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"buildbot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-1"}]}]}],"products":[{"vendor":"buildbot","product":"buildbot"}],"references":[{"url":"https://github.com/buildbot/buildbot/wiki/OAuth-vulnerability-in-using-submitted-authorization-token-for-authentication","tags":["x_refsource_MISC","x_transferred","Mitigation","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLOM2K4M4723BCLHZJEX52KJXZSEVRL/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GXKO7OYLKBTXXXKF4VPHWT7GVYWFVYA/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12300","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g86p-hgx5-2pfh","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/buildbot/PYSEC-2019-6.yaml","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLOM2K4M4723BCLHZJEX52KJXZSEVRL","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7GXKO7OYLKBTXXXKF4VPHWT7GVYWFVYA","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-12300","tags":["advisory"]},{"url":"https://github.com/buildbot/buildbot","tags":["package"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLOM2K4M4723BCLHZJEX52KJXZSEVRL/","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7GXKO7OYLKBTXXXKF4VPHWT7GVYWFVYA/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2019-12300","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-12300","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-12300","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T14:18:06Z","modified":"2024-08-04T23:17:39.836Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-0025","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T14:18:06Z","modified":"2024-08-04T23:17:39Z","updated_at":"2026-11-03T02:40:46.416719Z"}],"ghsa":[{"id":"GHSA-g86p-hgx5-2pfh","title":"Improper Authentication in Buildbot","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-29T18:48:11Z","modified":"2024-09-13T17:46:56Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:38:02.773864Z"}],"nvd":[{"id":"CVE-2019-12300","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T15:30:12.623Z","modified":"2026-06-17T02:14:23.47Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:14.729983Z"}],"osv":[{"id":"CVE-2019-12300","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T15:30:12.623Z","modified":"2026-10-24T10:30:30.014494762Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:10.718934Z"},{"id":"DEBIAN-CVE-2019-12300","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T15:30:12.623Z","modified":"2026-09-21T07:00:27.731570527Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:31.467893Z"},{"id":"GHSA-g86p-hgx5-2pfh","title":"Improper Authentication in Buildbot","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-29T18:48:11Z","modified":"2025-02-15T05:28:08.734135Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:47.472172Z"},{"id":"UBUNTU-CVE-2019-12300","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T15:30:00Z","modified":"2025-10-24T04:47:40Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:19.202697Z"},{"id":"PYSEC-2019-6","description":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","status":"published","published":"2019-05-23T15:30:00Z","modified":"2023-11-08T04:01:03.442386Z","updated_at":"2026-11-02T15:52:52.192131Z"}]}}