CVE-2026-15699: Improperly Controlled Modification of Object Prototype Attributes in spencermountain compromise
CVE-2026-15699 is a medium severity vulnerability in the spencermountain compromise library up to versions 14.15.0 and 14.15.1. It affects the nlp.extend function in src/API/extend.js, where improper handling of the plugin argument allows modification of object prototype attributes. Remote exploitation is possible, and a patch has been released by the vendor to fix this issue.
AI Analysis
Technical Summary
This vulnerability in spencermountain compromise (<=14.15.1) involves the nlp.extend function improperly controlling modifications to object prototype attributes via the plugin argument. Such prototype pollution can lead to unexpected behavior or security issues in applications using this library. The vendor responded promptly and released a fixed version identified by patch b4644ab7179700df0607521f61c1ee9b5f78d89d. The CVSS 4.0 score is 5.3, indicating medium severity with network attack vector, low complexity, and no user interaction required.
Potential Impact
Successful exploitation allows remote attackers to manipulate object prototype attributes, potentially leading to altered application behavior or security bypasses. The vulnerability is rated medium severity with a CVSS score of 5.3. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
A patch fixing this vulnerability has been released by the vendor. Applying the patch identified by commit b4644ab7179700df0607521f61c1ee9b5f78d89d or upgrading to a fixed version beyond 14.15.1 is the recommended remediation. No additional mitigations are specified by the vendor.
CVE-2026-15699: Improperly Controlled Modification of Object Prototype Attributes in spencermountain compromise
Description
CVE-2026-15699 is a medium severity vulnerability in the spencermountain compromise library up to versions 14.15.0 and 14.15.1. It affects the nlp.extend function in src/API/extend.js, where improper handling of the plugin argument allows modification of object prototype attributes. Remote exploitation is possible, and a patch has been released by the vendor to fix this issue.
CVSS v4.0
Score 5.3medium
Affected software
cpe:2.3:a:spencermountain:compromise:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in spencermountain compromise (<=14.15.1) involves the nlp.extend function improperly controlling modifications to object prototype attributes via the plugin argument. Such prototype pollution can lead to unexpected behavior or security issues in applications using this library. The vendor responded promptly and released a fixed version identified by patch b4644ab7179700df0607521f61c1ee9b5f78d89d. The CVSS 4.0 score is 5.3, indicating medium severity with network attack vector, low complexity, and no user interaction required.
Potential Impact
Successful exploitation allows remote attackers to manipulate object prototype attributes, potentially leading to altered application behavior or security bypasses. The vulnerability is rated medium severity with a CVSS score of 5.3. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
A patch fixing this vulnerability has been released by the vendor. Applying the patch identified by commit b4644ab7179700df0607521f61c1ee9b5f78d89d or upgrading to a fixed version beyond 14.15.1 is the recommended remediation. No additional mitigations are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-14T05:12:43.606Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a56616e68715ace43d27016
Added to database: 07/14/2026, 16:18:54 UTC
Last enriched: 07/21/2026, 19:39:23 UTC
Last updated: 08/28/2026, 22:52:08 UTC
Views: 48
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