CVE-2026-15699

Description

A vulnerability was identified 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 leads to improperly controlled modification of object prototype attributes. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The identifier of the patch is b4644ab7179700df0607521f61c1ee9b5f78d89d. Applying a patch is the recommended action to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

PUBLISHED Reserved 2026-07-14 | Published 2026-07-14 | Updated 2026-07-14 | Assigner VulDB

Problem types

Improperly Controlled Modification of Object Prototype Attributes

Code Injection

Product status

Timeline

Credits

wjm1 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/378246 (VDB-378246 | spencermountain compromise Public Root API extend.js nlp.extend prototype pollution) vdb-entry technical-description

vuldb.com/vuln/378246/cti (VDB-378246 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15699 (CVE-2026-15699 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/856016 (Submit #856016 | Node.js compromise 14.15.1 Prototype Pollution) third-party-advisory

github.com/spencermountain/compromise/issues/1208 exploit issue-tracking

github.com/...ommit/b4644ab7179700df0607521f61c1ee9b5f78d89d patch

github.com/spencermountain/compromise/ product

cve.org (CVE-2026-15699)

nvd.nist.gov (CVE-2026-15699)

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