{"id":"GHSA-vf23-f26f-mjj9","aliases":["CVE-2019-14537"],"title":"Access of Resource Using Incompatible Type ('Type Confusion')  in yourls/yourls","description":"### 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)","severity":"critical","score":9.8,"published":"2019-09-23T18:32:02.000Z","modified":"2026-09-10T03:48:41.819Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"yourls/yourls","ranges":[{"events":[{"introduced":"0"},{"fixed":"1.7.4"}],"type":"ECOSYSTEM"}],"versions":["1.7.1","1.7.2","1.7.3"],"fixed":["1.7.4"]}],"references":["https://github.com/YOURLS/YOURLS/security/advisories/GHSA-vf23-f26f-mjj9","https://nvd.nist.gov/vuln/detail/CVE-2019-14537","https://github.com/YOURLS/YOURLS/pull/2542","https://github.com/Wocanilo/CVE-2019-14537","https://github.com/YOURLS/YOURLS","https://github.com/YOURLS/YOURLS/commits/master","https://github.com/YOURLS/YOURLS/releases","https://github.com/advisories/GHSA-vf23-f26f-mjj9","https://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling"],"sources":[{"name":"OSV","id":"GHSA-vf23-f26f-mjj9","modified":"2026-09-10T03:48:41.819173550Z","url":"https://osv.dev/vulnerability/GHSA-vf23-f26f-mjj9"}],"assessments":[{"source":"OSV","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}]}