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    2 vulnerabilities by nevware21

    CVE-2026-46681 (GCVE-0-2026-46681)

    Vulnerability from nvd – Published: 2026-07-21 14:02 – Updated: 2026-07-21 15:00
    VLAI
    Title
    @nevware21/ts-utils: Prototype Pollution in objDeepCopy/objCopyProps via for...in without hasOwnProperty
    Summary
    @nevware21/ts-utils is a comprehensive TypeScript/JavaScript utility library. Prior to version 0.14.0, the _copyProps function in lib/src/object/copy.ts uses for...in to iterate over source object properties without an Object.hasOwnProperty check, and does not filter dangerous keys (__proto__, constructor, prototype). This allows an attacker to pollute the prototype chain of all objects in the application. Version 0.14.0 patches the issue.
    Severity
    7.2 (High)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    References
    Impacted products
    Vendor Product Version
    nevware21 ts-utils Affected: < 0.14.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-46681 (GCVE-0-2026-46681)

    Vulnerability from cvelistv5 – Published: 2026-07-21 14:02 – Updated: 2026-07-21 15:00
    VLAI
    Title
    @nevware21/ts-utils: Prototype Pollution in objDeepCopy/objCopyProps via for...in without hasOwnProperty
    Summary
    @nevware21/ts-utils is a comprehensive TypeScript/JavaScript utility library. Prior to version 0.14.0, the _copyProps function in lib/src/object/copy.ts uses for...in to iterate over source object properties without an Object.hasOwnProperty check, and does not filter dangerous keys (__proto__, constructor, prototype). This allows an attacker to pollute the prototype chain of all objects in the application. Version 0.14.0 patches the issue.
    Severity
    7.2 (High)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    References
    Impacted products
    Vendor Product Version
    nevware21 ts-utils Affected: < 0.14.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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