Vulnerability · Published Jun 30, 2023 · Assigned by snyk
CVE-2023-26135
High 7.3
In plain English
A high-severity prototype pollution in flatnest. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
All versions of the package flatnest are vulnerable to Prototype Pollution via the nest() function in the flatnest/nest.js file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | flatnest | no fix listed | GHSA-7px2-3c2p-q4v4 |
Affected products (as reported)
Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P
References
- https://security.snyk.io/vuln/SNYK-JS-FLATNEST-3185149
- https://github.com/brycebaril/node-flatnest/issues/4
- https://github.com/brycebaril/node-flatnest/blob/b7d97ec64a04632378db87fcf3577bd51ac3ee39/nest.js%23L43
- https://github.com/brycebaril/node-flatnest/commit/27d569baf9d9d25677640edeaf2d13af165868d6