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TI-2018-02709 Aliases CVE-2018-3711GHSA-mq6c-fh97-4gwv

Resource allocation without limits in HackerOne fastify node module

Priority LOW 36CWE-770Published · 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-770.

Summary

Fastify node module before 0.38.0 is vulnerable to a denial-of-service attack by sending a request with "Content-Type: application/json" and a very large payload.

Why it matters now

EPSS 0.01771 78th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed fastify node module (HackerOne): 0.38.0fastify (npm): 0.38.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
HackerOnefastify node modulebefore 0.38.00.38.0Patch availableCNA
—fastify (npm)before 0.38.00.38.0Patch availableGHSA-mq6c-fh97-4gwv
  • fastify node module VendorHackerOne Affected before 0.38.0 Fixed in 0.38.0 Patch available CNA
  • fastify (npm) Vendor— Affected before 0.38.0 Fixed in 0.38.0 Patch available GHSA-mq6c-fh97-4gwv

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fastify:fastify:*:*:*:*:*:node.js:*:*before 0.38.0Vulnerablefastify
  • cpe:2.3:a:fastify:fastify:*:*:*:*:*:node.js:*:* Versions before 0.38.0 Vulnerable ·fastify

Remediation

  • Fix · CNA fastify node module (HackerOne) Fixed in 0.38.0
  • Fix · GHSA-mq6c-fh97-4gwv fastify (npm) Fixed in 0.38.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-3711
  2. 2026-10-03 Alias added: GHSA-mq6c-fh97-4gwv

References

Exploit 2

Advisory 2

Other 2

  • TI-2022-18664 Denial of service in Fastify via Content-Type header CVSS 3.1HIGH 7.5
  • TI-2025-23513 Fastify vulnerable to invalid content-type parsing, which could lead to validation bypass CVSS 3.1HIGH 7.5
  • TI-2026-58050 fastify vulnerable to request validation bypass via skipped boolean false schemas CVSS 3.1HIGH 7.5
  • TI-2026-58022 fastify vulnerable to header validation bypass via incomplete schema case normalization CVSS 3.1HIGH 7.5
  • TI-2026-53284 fastify vulnerable to authentication bypass via malformed URLs reaching encapsulated not-found handlers CVSS 3.1HIGH 7.5
  • TI-2026-26178 fastify vulnerable to Body Schema Validation Bypass via Leading Space in Content-Type Header CVSS 3.1HIGH 7.5
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences