Time-of-check Time-of-use (TOCTOU) Race Condition

Overview handlebars is an extension to the Mustache templating language. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition in the lookup function. An attacker can access properties that should be restricted by bypassing prototype-access controls...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview handlebars is an extension to the Mustache templating language. Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via the resolvePartial and invokePartial functions. An attacker can execute arbitrary code on the server by...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview handlebars is an extension to the Mustache templating language. Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via the compile function. An attacker can execute arbitrary code by supplying a crafted Abstract Syntax Tree AST...

PT-2026-28569

Name of the Vulnerable Software and Affected Versions Handlebars versions 4.0.0 through 4.7.8 Description Handlebars allows Remote Code Execution RCE through a crafted Abstract Syntax Tree AST object. The Handlebars.compile function accepts either a template string or a pre-parsed AST. When an AS...