Affected versions of negotiator are vulnerable to regular expression denial of service attacks, which trigger upon parsing a specially crafted Accept-Language…
Full advisory text at GitHub advisory or NVD.
npm package report
Is negotiator safe?
negotiator (npm) has 1 known vulnerability, the worst rated HIGH. Upgrade to 0.6.1 or later to clear it. No malicious-package signal is recorded.
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.
cvss
7.5
high
severity band, no base score published
epss
1.4%
medium
chance of exploitation in 30 days, 72nd percentile of all CVEs
xyz score
4.5
medium
CyberXYZ composite out of 10
fig. 01 — GHSA-7mc5-chhp-fmc3, the advisory selected below
// 1 advisories
Is negotiator safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for negotiator (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does negotiator have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for negotiator (npm), the worst rated HIGH. They are GHSA-7mc5-chhp-fmc3.
Which version of negotiator should I use?
0.6.1 or later clears every advisory recorded for negotiator (npm). Check the release you pick before installing it.
How do I check negotiator before installing?
Search negotiator in CyberXYZ Check at https://cyberxyz.io/check?q=negotiator. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 10:29 UTC. The most recent advisory here was published 2018-10-09. Updated continuously from NVD, GHSA, OSV and CNA feeds.