Vulnerability · Published Sep 24, 2025 · Assigned by mitre
CVE-2025-57327
High 7.5
In plain English
A high-severity prototype pollution in the spmrc package (npm). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 66.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
spmrc is a package that provides the rc manager for spm. A Prototype Pollution vulnerability in the set and config function of spmrc version 1.2.0 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | spmrc | no fix listed | GHSA-r2rv-8pp3-65xw |
Affected products (as reported)
Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H