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handlebarsjs handlebars
10 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
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4.0+
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CVE-2026-33941
>= 4.0.0 and < 4.7.9
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the Handlebars CLI
8.2
HIGH
CVE-2026-33940
>= 4.0.0 and < 4.7.9
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, a crafted object p
8.1
HIGH
CVE-2026-33939
>= 4.0.0 and < 4.7.9
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars
7.5
HIGH
CVE-2026-33938
>= 4.0.0 and < 4.7.9
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the `@partial-bloc
8.1
HIGH
CVE-2026-33937
>= 4.0.0 and < 4.7.9
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, `Handlebars.compil
9.8
CRITICAL
CVE-2026-33916
>= 4.0.0 and < 4.7.9
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8,
resolvePartial()
4.7
MEDIUM
CVE-2021-23383
< 4.7.7
The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile temp
5.6
MEDIUM
CVE-2021-23369
< 4.7.7
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to comp
5.6
MEDIUM
CVE-2019-20922
>= 4.0.0 and < 4.4.5
Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced in
7.5
HIGH
CVE-2019-20920
< 3.0.8
Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly valida
8.1
HIGH
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