SCA: security update for handlebars (GHSA-w457-6q6x-cgp9)

critical Tenable Self-Hosted Container Security Plugin ID 422558

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code
Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow an
attacker to execute arbitrary code through crafted payloads. (CVE-2019-19919)

See Also

https://github.com/advisories/GHSA-w457-6q6x-cgp9

Plugin Details

Severity: Critical

ID: 422558

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-19919

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/26/2019

Vulnerability Publication Date: 12/20/2019

Reference Information

CVE: CVE-2019-19919