CVE-2026-33940: Handlebars.js has JavaScript Injection via AST Type Confusion when passing an object as dynamic partial
Overview
- Severity
- High (CVSS 8.1)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-31
- EPSS Score
- 0.04% (percentile: 13.9%)
Affected Products (1)
Open Source Software
- cbl2 reaper 3.1.1-22 on CBL Mariner 2.0
Revision History
- 2026-03-31: Information published.