CVE-2025-57327 spmrc vulnerable to prototype pollution
Attackers can cause denial of service via prototype pollution in the spmrc npm package by injecting properties into Object.prototype.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-57327?
CVE-2025-57327 is a high-severity vulnerability in n/a, published on 24 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-1321
Which versions are affected by CVE-2025-57327?
2 open source packages ship an affected version, including spmrc. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
spmrc npm | All versions to 1.2.0 | None |
spmrc npm | All versions to 1.2.0 | None |
Products include Spmjs Spmrc.
How do I fix CVE-2025-57327?
No fix has been published for CVE-2025-57327 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-57327 being exploited?
There is no known exploitation of CVE-2025-57327 in the wild and no public exploit code.
Sources
Also known as GHSA-r2rv-8pp3-65xw.