CVE-2026-33916

A flaw was found in Handlebars. The resolvePartial function in the Handlebars runtime does not properly guard against prototype-chain traversal when resolving partial names. This allows an attacker to inject malicious code into web pages. When Object.prototype has been polluted with a string valu...

handlebars 安全漏洞

Handlebars is a semantic web template system. Versions of Handlebars 4.7.8 and earlier contain security vulnerabilities. These vulnerabilities stem from the resolvePartial function, which does not prevent prototype chain traversal. This can lead to prototype pollution, thereby enabling...

handlebars 安全漏洞

Handlebars is a semantic web template system. Versions of Handlebars 4.7.8 and earlier contain security vulnerabilities. These vulnerabilities stem from the ability for custom objects to bypass all conditional protections in resolvePartial, allowing attackers to execute arbitrary commands and...

Prototype Pollution

Overview org.webjars.npm:handlebars is an extension to the Mustache templating language. Affected versions of this package are vulnerable to Prototype Pollution via the resolvePartial function. An attacker can inject malicious scripts into rendered output by polluting Object.prototype with a key...

PT-2026-28566

Name of the Vulnerable Software and Affected Versions Handlebars versions 4.0.0 through 4.7.8 Description Handlebars is a templating engine that allows users to build semantic templates. Versions 4.0.0 through 4.7.8 contain a flaw in the resolvePartial function within the Handlebars runtime. This...