Uncontrolled resource consumption in fastify-multipart
Priority LOW 36CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
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.
Why it matters now
EPSS 0.01497 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed fastify-multipart (npm): 1.0.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | fastify-multipart | Fixed version: 1.0.5 | — | No fix listed | CNA |
| — | fastify-multipart (npm) | before 1.0.5 | 1.0.5 | Patch available | GHSA-p9f8-gqjf-m75j |
- fastify-multipart Vendor— Affected Fixed version: 1.0.5 Fixed in — No fix listed CNA
- fastify-multipart (npm) Vendor— Affected before 1.0.5 Fixed in 1.0.5 Patch available GHSA-p9f8-gqjf-m75j
Remediation
- Fix · GHSA-p9f8-gqjf-m75j fastify-multipart (npm) Fixed in 1.0.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8136
- 2026-10-03 Alias added: GHSA-p9f8-gqjf-m75j
References
More Fastify-multipart vulnerabilities
- TI-2023-10879 @fastify/multipart vulnerable to DoS due to unlimited number of parts CVSS 3.1HIGH 7.5
- TI-2026-15210 @fastify/multipart vulnerable to Denial of Service via aborted upload after fileSize limit CVSS 3.1HIGH 7.5
- TI-2026-15859 @fastify/multipart vulnerable to Denial of Service via temporary file leak on aborted upload CVSS 3.1HIGH 7.5
- TI-2021-06170 Denial of service (DoS) in fastify-multipart CVSS 3.1HIGH 7.5
Sources
- CVE-2020-8136 · CVE Program
- CVE-2020-8136 · NVD
- FIRST EPSS
- GHSA-p9f8-gqjf-m75j · GitHub Advisory Database · CC BY 4.0
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