CVE-2026-19474
7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: ce714d77-add3-4f53-aff5-83d477b104bb (Secondary)
Description
@fastify/multipart is a multipart form-data parser for Fastify. In versions from 3.0.0 up to but not including 10.1.1, request.saveRequestFiles() can leave completed temporary files on disk when a client disconnects while the parser is advancing between multipart parts. The iterator rejection that occurs between parts falls outside the per-file cleanup path, so an earlier completed file is never removed. An unauthenticated client can repeat this to cause persistent, linear disk consumption, leading to denial of service. This is an incomplete-fix variant of CVE-2025-24033. The issue is fixed in @fastify/multipart 10.1.1. Users should upgrade to 10.1.1.
Affected (1)
Products: Fastify: Fastify Multipart
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 3.0.0 to 10.1.1 |
Related CWEs
CWE-459
Incomplete Cleanup
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
CWE-770
Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
References (2)
Source: ce714d77-add3-4f53-aff5-83d477b104bb
Third Party Advisory
Source: ce714d77-add3-4f53-aff5-83d477b104bb
MitigationVendor Advisory
Timeline
No history available yet.