CVEvulnerability
CVE-2021-26707
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-06-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-1321
Description
The merge-deep library before 3.0.3 for Node.js can be tricked into overwriting properties of Object.prototype or adding new properties to it. These properties are then inherited by every object in the program, thus facilitating prototype-pollution attacks against applications using this library.
Affected configurations
• merge-deep project merge-deep (< 3.0.3)
• netapp e-series performance analyzer
Related
Weakness · CWE (1)
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness
References
- https://github.com/jonschlinkert/merge-deep/commit/11e5dd56de8a6aed0b1ed022089dbce6968d82a5 Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210716-0008/ Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-160-merge-deep/ Third Party Advisory
- https://www.npmjs.com/package/merge-deep Product, Third Party Advisory
- https://github.com/jonschlinkert/merge-deep/commit/11e5dd56de8a6aed0b1ed022089dbce6968d82a5 Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210716-0008/ Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-160-merge-deep/ Third Party Advisory
- https://www.npmjs.com/package/merge-deep Product, Third Party Advisory