CVE-2026-33937
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, `Handlebars.compile()` accepts a pre-parsed AST object in addition to a template string. The `value` field of a `NumberLiteral` AST node is emitted directly into the generated JavaScript without quoting or sanitization. An attacker who can supply a crafted AST to `compile()` can therefore inject and execute arbitrary JavaScript, leading to Remote Code Execution on the server. Version 4.7.9 fixes the issue. Some workarounds are available. Validate input type before calling `Handleb...
- 대응 우선순위
- 점검
- CVSS
- 9.8
- EPSS
- 2.25% 백분위 81.2% · 2026.08.04 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.03.28