CVE-2019-19507

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

In jpv (aka Json Pattern Validator) before 2.1.1, compareCommon() can be bypassed because certain internal attributes can be overwritten via a conflicting name, as demonstrated by 'constructor': {'name':'Array'}. This affects validate(). Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published: Dec 2, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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