GHSA-77xq-cpvg-7xm2

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    GHSA-77xq-cpvg-7xm2

    Published: 10 May 2021Last Modified: 8 Jul 2026

    Summary: Prototype pollution in @tsed/core

    Details: This affects the package @tsed/core before 5.65.7. This vulnerability relates to the `deepExtend` function which is used as part of the utils directory. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.

    References: https://nvd.nist.gov/vuln/detail/CVE-2020-7748, https://github.com/TypedProject/tsed/commit/1395773ddac35926cf058fc6da9fb8e82266761b, https://github.com/TypedProject/tsed/blob/production/packages/core/src/utils/deepExtends.ts%23L36, https://github.com/tsedio/tsed, https://snyk.io/vuln/SNYK-JS-TSEDCORE-1019382

    Affected packages

    Package

    Name: @tsed/core

    Purl: pkg:npm/%40tsed/core

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -5.65.7

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-77xq-cpvg-7xm2 | CVE-DB