What is CVE-2026-32630?

CVE-2026-32630 is a medium-severity vulnerability in Sindresorhus File-type, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 5.3/10. Published 2026-03-13.

How severe is CVE-2026-32630?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Sindresorhus File-type

CVE-2026-32630

file-type detects the file type of a file, stream, or data. From 20.0.0 to 21.3.1, a crafted ZIP file can trigger excessive memory growth during type detection in file-type when using fileTypeFromBuffer(), fileTypeFromBlob(), or fileTypeFr…

EPSS: 0.001 (23.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Sindresorhus File-type — versions >= 20.0.0, < 21.3.2

Weakness classification (CWE)

CWE-409 — Improper Handling of Highly Compressed Data (Data Amplification)

References

https://github.com/sindresorhus/file-type/security/advisories/GHSA-j47w-4g3g-c36v (x_refsource_CONFIRM)
https://github.com/sindresorhus/file-type/commit/399b0f156063f5aeb1c124a7fd61028f3ea7c124 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32630?: CVE-2026-32630 is a medium-severity vulnerability in Sindresorhus File-type, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 5.3/10. Published 2026-03-13.
How severe is CVE-2026-32630?: Medium severity. CVSS v3 base score is 5.3 out of 10.