CVE-2026-33939
handlebars-lang handlebars.js, Cluster Observability Operator 1.5.0, Red Hat OpenShift Dev Spaces 3.27 취약점
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 `lookupProperty(decorators, "n")`, which returns `undefined`. The runtime then immediately invokes the result as a function, causing an unhandled `TypeError: ... is not a function` that crashes the Node.js process. Any application that compiles user-supplied templates without wrapping the call in a `try/catch` is vulnerable to a single-request Den...
- 대응 우선순위
- 점검
- CVSS
- 7.5
- EPSS
- 0.62% 백분위 46.1% · 2026.08.04 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.03.28