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TI-2016-08581 Aliases CVE-2016-10539GHSA-7mc5-chhp-fmc3

Uncontrolled resource consumption in HackerOne negotiator node module

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 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed by negotiator 0.6.0 and earlier is vulnerable to Regular Expression Denial of Service via a specially crafted string.

Why it matters now

EPSS 0.01389 72nd percentileScored 2026-11-07
Fix Fixed negotiator (npm): 0.6.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
HackerOnenegotiator node moduleup to 0.6.0—No fix listedCNA
—negotiator (npm)before 0.6.10.6.1Patch availableGHSA-7mc5-chhp-fmc3
  • negotiator node module VendorHackerOne Affected up to 0.6.0 Fixed in — No fix listed CNA
  • negotiator (npm) Vendor— Affected before 0.6.1 Fixed in 0.6.1 Patch available GHSA-7mc5-chhp-fmc3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:negotiator_project:negotiator:*:*:*:*:*:node.js:*:*up to 0.6.0VulnerableNegotiator Project
  • cpe:2.3:a:negotiator_project:negotiator:*:*:*:*:*:node.js:*:* Versions up to 0.6.0 Vulnerable ·Negotiator Project

Remediation

  • Fix · GHSA-7mc5-chhp-fmc3 negotiator (npm) Fixed in 0.6.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-10539
  2. 2026-10-03 Alias added: GHSA-7mc5-chhp-fmc3

References

Sources