handlebars vulnerabilities
CVEs whose affected-version data names the handlebars package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
8 CVEsRSS
CVE-2026-33941High· 8.2PoCHandlebars provides the power necessary to let users build semantic templates
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the Handlebars CLI precompiler (`bin/handlebars` / `lib/precompiler.js`) concatenates user-controlled strings — template file…
CVE-2026-33940High· 8.1Handlebars provides the power necessary to let users build semantic templates
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, a crafted object placed in the template context can bypass all conditional guards in `resolvePartial()` and cause `invokePart…
CVE-2026-33939High· 7.5Handlebars provides the power necessary to let users build semantic templates
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 temp…
CVE-2026-33938High· 8.1Handlebars provides the power necessary to let users build semantic templates
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the `@partial-block` special variable is stored in the template data context and is reachable and mutable from within a templ…
CVE-2026-33937Critical· 9.8PoCHandlebars provides the power necessary to let users build semantic templates
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, `Handlebars.compile()` accepts a pre-parsed AST object in addition to a template string. The `value` field of a `NumberLitera…
CVE-2021-23383Medium· 5.6PoC⚖ disputedThe package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.
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-2021-23369Medium· 5.6PoCThe 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.
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-2019-20920High· 8.1Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution
Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript. This can be used to…