📄 velocityjs 2.1.5 Prototype Pollution

A proof of concept exploit for velocityjs versions 0.3.1 through 2.1.5 that contain a prototype pollution vulnerability. The exploit abuses an unvalidated set left-hand path to write arbitrary properties into Object.prototype, enabling authorization bypasses and, on Node.js 16 and earlier,...

GHSA-7GFH-X38P-PRH3 Velocity.js: Remote Code Execution via property-read to Function constructor (bypass of GHSA-j658-c2gf-x6pq fix)

Summary Remote Code Execution RCE in velocityjs v2.1.6 via property-read to the Function constructor. This bypasses the fix for GHSA-j658-c2gf-x6pq "Prototype Pollution in set path assignment" — that advisory blocked constructor/proto/prototype only in the set assignment handler set.cjs, but...

CVE-2026-44966

Velocity.js is a JavaScript implementation of the Apache Velocity template engine. In 2.1.5 and earlier, a prototype pollution vulnerability was discovered in velocityjs. This issue occurs during the processing of set directives in Velocity templates. If an application renders a template controll...