{"cve":"CVE-2019-12300","nvd":{"published":"2019-05-23T15:30:12.623","modified":"2026-06-17T02:14:23.470","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-287"],"references":["https://github.com/buildbot/buildbot/wiki/OAuth-vulnerability-in-using-submitted-authorization-token-for-authentication","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLOM2K4M4723BCLHZJEX52KJXZSEVRL/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GXKO7OYLKBTXXXKF4VPHWT7GVYWFVYA/","https://github.com/buildbot/buildbot/wiki/OAuth-vulnerability-in-using-submitted-authorization-token-for-authentication","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLOM2K4M4723BCLHZJEX52KJXZSEVRL/"],"products":["buildbot:buildbot"],"source":"nvd","synced_at":"2026-10-19T20:56:19.218283075+00:00"},"epss":{"cve":"CVE-2019-12300","score":0.01841,"percentile":0.78993,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-g86p-hgx5-2pfh","url":"https://osv.dev/vulnerability/GHSA-g86p-hgx5-2pfh","summary":"Improper Authentication in Buildbot","modified":"2025-02-15T05:28:08.734135Z","packages":[{"ecosystem":"PyPI","name":"buildbot","purl":"pkg:pypi/buildbot","ranges":["<1.8.2"],"fixed":["1.8.2"]},{"ecosystem":"PyPI","name":"buildbot","purl":"pkg:pypi/buildbot","ranges":[">=2.0.0 <2.3.1"],"fixed":["2.3.1"]}]},{"id":"PYSEC-2019-6","url":"https://osv.dev/vulnerability/PYSEC-2019-6","summary":"","modified":"2023-11-08T04:01:03.442386Z","packages":[{"ecosystem":"PyPI","name":"buildbot","purl":"pkg:pypi/buildbot","ranges":["<1.8.2",">=2.0.1 <2.3.1"],"fixed":["1.8.2","2.3.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}