CVE-2026-33937

This post is a research article published by EQSTLab. Referenced PoC: dinhvaren/cve-2026-33937 CVE-2026-33937 ★ CVE-2026-33937 Handlebars.js AST Injection Remote Code Execution PoC ★ https://github.com/user-attachments/assets/99e383e7-e71f-4e10-8c62-f50abff8b4f5 Description CVE-2026-33937 :...

CVE-2026-33937

CVE-2026-33937 — Handlebars.js AST Injection RCE Handlebars.js versions 4.0.0 through 4.7.8 are affected. CVSS score: 9.8 Critical. Overview CVE-2026-33937 is a type confusion vulnerability in Handlebars.js. The Handlebars.compile function accepts both a template string and a pre-parsed AST objec...

cve-2026-33937

CVE-2026-33937 - Exploit PoC per RCE in Handlebars Descrizione CVE-2026-33937 è una vulnerabilità critica di Remote Code Execution RCE in Handlebars causata dalla gestione non sicura dell'input dell'Abstract Syntax Tree AST. La vulnerabilità consente agli attaccanti di iniettare codice JavaScript...

Exploit for Type Confusion in Handlebarsjs Handlebars

CVE-2026-33937 — Handlebars.js AST Injection RCE Handlebars.j...

handlebars-ssti-ast-rce

Handlebars SSTI → RCE via Server-Side AST Injection A proof-o...

Security Bulletin: Multiple security vulnerabilities in IBM Business Automation Manager Open Editions

Summary In addition to many updates of operating system level packages, the following security vulnerabilities are addressed in IBM Business Automation Manager Open Editions 9.4.1 Vulnerability Details CVEID:CVE-2026-33916 DESCRIPTION: Handlebars provides the power necessary to let users build...

DEBIAN-CVE-2026-33937

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 withou...

CVE-2026-33938 Handlebars.js has JavaScript Injection via AST Type Confusion by tampering @partial-block

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...

Handlebars.js has JavaScript Injection via AST Type Confusion

Summary 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...