CVE-2019-14537

CRITICALNVD 9.89.8—Elevated

9.8

YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 94.6%
KEV: Not listed

Published

August 7, 2019

Last Modified

November 21, 2024

References (10)

cve@mitrehttps://github.com/Wocanilo/CVE-2019-14537
cve@mitrehttps://github.com/YOURLS/YOURLS/commits/master
cve@mitrehttps://github.com/YOURLS/YOURLS/pull/2542
cve@mitrehttps://github.com/YOURLS/YOURLS/releases
cve@mitrehttps://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling
af854a3a-2127-422b-91ae-364da2661108https://github.com/Wocanilo/CVE-2019-14537
af854a3a-2127-422b-91ae-364da2661108https://github.com/YOURLS/YOURLS/commits/master
af854a3a-2127-422b-91ae-364da2661108https://github.com/YOURLS/YOURLS/pull/2542
af854a3a-2127-422b-91ae-364da2661108https://github.com/YOURLS/YOURLS/releases
af854a3a-2127-422b-91ae-364da2661108https://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
yourls/yourls	1.7.1, 1.7.2, 1.7.3	1.7.4	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-843Access of Resource Using Incompatible Type (Type Confusion)

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 16:13 UTCEG score recompute
2026-05-27 13:38 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCWocanilo/CVE-2019-14537
First seen Aug 7, 2019
CVE-2019-14537 PoC
Open source ↗

Frequently asked(5)

What is CVE-2019-14537?

CVE-2019-14537 is a critical vulnerability published on August 7, 2019. YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass.

When was CVE-2019-14537 disclosed?

CVE-2019-14537 was first published in the National Vulnerability Database on August 7, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-14537 actively exploited?

CVE-2019-14537 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-14537?

CVE-2019-14537 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-14537?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-14537, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-14537

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CVE-2019-14537

📅 Published

🔄 Last Modified

🔗 References (10)