Critical

Prototype pollution in set-in

  • Disclosed: 19.03.2021
  • Updated: 11.10.2026 10:22

Prototype pollution vulnerability in 'set-in' versions 1.0.0 through 2.0.0 allows attacker to cause a denial of service and may lead to remote code execution.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package set-in < 2.0.1 2.0.1

References

CVSS score 9.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-1321
Platform
npm
Package
set-in
Disclosed
19.03.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-qr4p-c9wr-phr6 - CC BY 4.0

Vulnerability history: set-in

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
03.2021 02.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 3

Disclosures per year

  1. 2021: 1
  2. 2022: 1
  3. 2023: 0
  4. 2024: 0
  5. 2025: 0
  6. 2026: 1
  1. Critical CVE-2026-26021 >= 2.0.1, < 2.0.5 2.0.5
  2. Critical · 9.8 CVE-2022-25354 < 2.0.3 2.0.3
  3. Prototype pollution in set-in this entry
    Critical · 9.8 CVE-2020-28273 < 2.0.1 2.0.1

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