spencermountain compromise up to 14.15.1 Public Root API src/API/extend.js nlp.extend plugin prototype pollution

Summaryinfo

A vulnerability categorized as critical has been discovered in spencermountain compromise up to 14.15.1. Affected by this vulnerability is the function nlp.extend of the file src/API/extend.js of the component Public Root API. The manipulation of the argument plugin results in prototype pollution. This vulnerability is identified as CVE-2026-15699. The attack can be executed remotely. Additionally, an exploit exists. It is best practice to apply a patch to resolve this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Detailsinfo

A vulnerability, which was classified as critical, was found in spencermountain compromise up to 14.15.1. Affected is the function nlp.extend of the file src/API/extend.js of the component Public Root API. The manipulation of the argument plugin with an unknown input leads to a prototype pollution vulnerability. CWE is classifying the issue as CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-15699. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Applying the patch b4644ab7179700df0607521f61c1ee9b5f78d89d is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

• spencermountain

Name

• compromise

Version

• 14.15.0
• 14.15.1

License

• open-source

Website

• Product: https://github.com/spencermountain/compromise/

CPE 2.3info

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CPE 2.2info

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• 🔒

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Accepted

• Submit #856016: Node.js compromise 14.15.1 Prototype Pollution (by wjm1)

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