CVE-2026-15187: enquirer Public Package API Enquirer.set prototype pollution

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-09 · updated 2026-09-03
Weakness: CWE-94

Description

A security flaw has been discovered in enquirer up to 2.4.1. Affected is the function Enquirer.set of the component Public Package API. The manipulation of the argument question.name results in improperly controlled modification of object prototype attributes. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report.

Affected products

enquirer: 2.4.0, 2.4.1

References

https://github.com/enquirer/enquirer/
https://github.com/enquirer/enquirer/issues/487
https://github.com/enquirer/enquirer/issues/487#issuecomment-4648521328
https://vuldb.com/cve/CVE-2026-15187
https://vuldb.com/submit/851357
https://vuldb.com/vuln/377113
https://vuldb.com/vuln/377113/cti

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