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CVE-2019-20920: handlebars before 3.0.8 (exclusive), from 4.0.0 (inclusive), before 4.5.3 (exclusive); +1 more affected products
CVE-2019-20920 affects handlebars. CVSS 3.1 base score 8.1 (HIGH, NVD). EPSS 0.03193 (percentile 0.87727), scored 2026-10-08. Fixed version: 3.0.8-aikido.1. Fixed version: 3.0.8-root.io.1.
Affected technology
handlebars · before 3.0.8 (exclusive)
handlebarsjs
handlebars · from 4.0.0 (inclusive), before 4.5.3 (exclusive)
handlebarsjs
n/a · n/a
Vendor not specified by the source
Description’s affected range: before 3.0.8 and 4.x before 4.5.3
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality impact as high; integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-94
- Product
- handlebars
- CCR priority
- 33.2 /100 (P4)
- CVSS 3.1
- 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L · NVD
- EPSS
- 0.03193 · percentile 0.87727 · 2026-10-08
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC
- OSV.dev · Source record · observed 2026-10-08 18:36:34.954917+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2019-20920.html