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Vulnerability record · CVE-2020-8136 · published 20 March 2020

CVE-2020-8136: Fastify-multipart uncontrolled resource consumption vulnerability

Fastify · Fastify Multipart

Prototype pollution vulnerability in fastify-multipart < 1.0.5 allows an attacker to crash fastify applications parsing multipart requests by sending a specially crafted request.

7.5 CVSS 3.1 High EPSS 1.5% · top 26.8% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Prototype pollution vulnerability in fastify-multipart < 1.0.5 allows an attacker to crash fastify applications parsing multipart requests by sending a specially crafted request.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://hackerone.com/reports/804772 ExploitPatchThird Party Advisory
https://hackerone.com/reports/804772 ExploitPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-8136), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.