ejs vulnerable to DoS due to weak input validation

HIGH 7.5CVE-2017-1000189 · GHSA-6x77-rpqf-j6mw · Published 17/11/2017 · updated 17/06/2026

In short

CVE-2017-1000189 is a HIGH (CVSS 7.5) vulnerability affecting ejs (ejs), ejs.
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.0% of all vulnerabilities.
Fix: update to 2.5.5 or later.

Package	Affected versions	Patched versions
ejs ejs	`< 2.5.5`	`2.5.5`
ejs npm	`< 2.5.5`	`2.5.5`

nodejs ejs version older than 2.5.5 is vulnerable to a denial-of-service due to weak input validation in ejs.renderFile()

NVD description

nodejs ejs version older than 2.5.5 is vulnerable to a denial-of-service due to weak input validation in the ejs.renderFile()

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Package

Affected versions

Patched versions

< 2.5.5

2.5.5

npm

< 2.5.5

2.5.5

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