@fastify/busboy is a multipart form-data parser. In versions 1.0.0 through 3.2.0, an attacker who can submit multipart form-data can crash the parser by sending a part header whose name is a prototype-inherited property such as __proto__ or…
Exact source revision recorded 25 Oct 2026 05:17:25 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-19481
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Analyzed
Weakness classifications: CWE-754
Original publisher date fields
published: 2026-08-13T09:17:12.573
lastModified: 2026-09-03T19:16:01.753
1 source CPE criteria · context only
- cpe:2.3:a:fastify:fastify\/busyboy:*:*:*:*:*:node.js:*:*
The original JSON retains the logical configuration operators, exclusions and version bounds.
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON