Is multiparty affected by CVE-2026-8161?

npm multiparty is affected in <4.3.0.

Is CVE-2026-8161 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

high

CVE-2026-8161

Q: Is CVE-2026-8161 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

npm · multiparty

Summary

multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception

Severity: high
EPSS: 0.5% (p37)
Also known as: GHSA-qxch-whhj-8956
Published: 2026-05-18

References

https://github.com/pillarjs/multiparty/security/advisories/GHSA-qxch-whhj-8956
https://nvd.nist.gov/vuln/detail/CVE-2026-8161
https://cna.openjsf.org/security-advisories.html

Related advisories

CVE-2026-8159 — high · npm/multiparty
CVE-2026-8162 — high · npm/multiparty

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.