Access of Resource Using Incompatible Type ('Type Confusion') in yourls/yourls
Impact
YOURLS through 1.7.3 is affected by a type juggling vulnerability in the API component that can result in login bypass.
Patches
https://github.com/YOURLS/YOURLS/releases/tag/1.7.4 https://github.com/YOURLS/YOURLS/pull/2542
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14537
- https://github.com/Wocanilo/CVE-2019-14537
For more information
If you have any questions or comments about this advisory:
- Open an issue in YOURLS repository
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | yourls/yourls | < 1.7.4 | 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
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-843- Platform
- Composer
- Package
yourls/yourls- Disclosed
- 23.09.2019
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vf23-f26f-mjj9 - CC BY 4.0
Vulnerability history: yourls/yourls
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 09.2019 08.2026
- Without a fix
- 4
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 4
- Low 1
Disclosures per year
- 2019: 1
- 2020: 0
- 2021: 3
- 2022: 2
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 1
-
Access of Resource Using Incompatible Type ('Type Confusion') in yourls/yourls this entry
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