{"id":"GHSA-vf23-f26f-mjj9","summary":"Access of Resource Using Incompatible Type ('Type Confusion')  in yourls/yourls","details":"### Impact\nYOURLS through 1.7.3 is affected by a type juggling vulnerability in the API component that can result in login bypass.\n\n### Patches\nhttps://github.com/YOURLS/YOURLS/releases/tag/1.7.4\nhttps://github.com/YOURLS/YOURLS/pull/2542\n\n### References\n* https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14537\n* https://github.com/Wocanilo/CVE-2019-14537\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [YOURLS repository](https://github.com/YOURLS/YOURLS)","aliases":["CVE-2019-14537"],"modified":"2026-08-24T00:33:43.244819923Z","published":"2019-09-23T18:32:02Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2020-06-16T21:57:30Z","nvd_published_at":null,"cwe_ids":["CWE-843"],"severity":"CRITICAL"},"references":[{"type":"WEB","url":"https://github.com/YOURLS/YOURLS/security/advisories/GHSA-vf23-f26f-mjj9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14537"},{"type":"WEB","url":"https://github.com/YOURLS/YOURLS/pull/2542"},{"type":"WEB","url":"https://github.com/Wocanilo/CVE-2019-14537"},{"type":"PACKAGE","url":"https://github.com/YOURLS/YOURLS"},{"type":"WEB","url":"https://github.com/YOURLS/YOURLS/commits/master"},{"type":"WEB","url":"https://github.com/YOURLS/YOURLS/releases"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-vf23-f26f-mjj9"},{"type":"WEB","url":"https://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling"}],"affected":[{"package":{"name":"yourls/yourls","ecosystem":"Packagist","purl":"pkg:composer/yourls/yourls"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.4"}]}],"versions":["1.7.1","1.7.2","1.7.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/09/GHSA-vf23-f26f-mjj9/GHSA-vf23-f26f-mjj9.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}