Improper Input Validation

Lodash is vulnerable to Improper Input Validation. The vulnerability is due to insufficient validation of options.imports key names and unsafe merging of inherited properties, which allows an attacker to inject malicious expressions that execute arbitrary code during template compilation...

Arbitrary Code Injection

Overview lodash-rails is a lodash for the Rails asset pipeline. Affected versions of this package are vulnerable to Arbitrary Code Injection due the improper validation of options.imports key names in .template. An attacker can execute arbitrary code at template compilation time by injecting...

DEBIAN-CVE-2026-4800

Impact: The fix for CVE-2021-23337 https://github.com/advisories/GHSA-35jh-r3h4-6jhm added validation for the variable option in .template but did not apply the same validation to options.imports key names. Both paths flow into the same Function constructor sink. When an application passes...

lodash 安全漏洞

lodash is an open-source JavaScript utility library developed by Lodash Utilities. Lodash has a security vulnerability, which stems from insufficient validation of the options.imports key name. This vulnerability could allow for the execution of arbitrary code during template compilation...

CVE-2026-33939

A flaw was found in Handlebars.js. A remote attacker can exploit this by submitting a malformed Handlebars template that includes decorator syntax referencing an unregistered decorator. When the application attempts to compile this template without proper error handling, it triggers an unhandled...

Linux Distros Unpatched Vulnerability : CVE-2026-33939

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator...

CVE-2026-33939

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

UBUNTU-CVE-2026-33939

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939

Summary: CVE-2026-33939 affects Handlebars 4.0.0–4.7.8, where a template using decorator syntax referencing an unregistered decorator (e.g. {{*n}}) causes the runtime to call an undefined value as a function, leading to an unhandled TypeError and a potential single-request DoS. The issue is fixed...

CVE-2026-33939 Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939 Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

CVE-2026-33939 Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. Th...

EUVD-2026-16858

Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation...

Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Summary When a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. The runtime then immediately invokes the result as a function, causing an unhandled TypeError: ... is not ...

Improper Check for Unusual or Exceptional Conditions

Overview org.webjars.npm:handlebars is an extension to the Mustache templating language. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions through the registerDecorator path in lib/handlebars/compiler/javascript-compiler.js. An attacker can...

GHSA-9CX6-37PM-9JFF Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Summary When a Handlebars template contains decorator syntax referencing an unregistered decorator e.g. n, the compiled template calls lookupPropertydecorators, "n", which returns undefined. The runtime then immediately invokes the result as a function, causing an unhandled TypeError: ... is not ...

GHSA-765H-QJXV-5F44 Prototype Pollution in handlebars

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source...

GHSA-F2JV-R9RF-7988 Remote code execution in handlebars when compiling templates

The package handlebars before 4.7.7 are vulnerable to Remote Code Execution RCE when selecting certain compiling options to compile templates coming from an untrusted source...

CVE-2021-23383

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source...

CVE-2021-23383

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source...