CVE-2026-33938
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, the `@partial-block` special variable is stored in the template data context and is reachable and mutable from within a template via helpers that accept arbitrary objects. When a helper overwrites `@partial-block` with a crafted Handlebars AST, a subsequent invocation of `{{> @partial-block}}` compiles and executes that AST, enabling arbitrary JavaScript execution on the server. Version 4.7.9 fixes the issue. Some workarounds are available. First, use the runtime-only build (`requ...
- 대응 우선순위
- 점검
- CVSS
- 8.1
- EPSS
- 0.71% 백분위 50.0% · 2026.08.04 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.03.28