YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass.
https://github.com/YOURLS/YOURLS/releases
https://github.com/YOURLS/YOURLS/pull/2542
https://github.com/YOURLS/YOURLS/commits/master
https://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling
https://github.com/Wocanilo/CVE-2019-14537
Source: Mitre, NVD
Published: 2019-08-07
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.14963