CVE-2026-33941 - Vulnerability Analysis
HighCVSS: 8.2Last Updated: March 27, 2026
Handlebars - Template Injection
Overview
Handlebars 4.0.0 through 4.7.8 contains a template injection caused by unsanitized concatenation of user-controlled template filenames and CLI options in the precompiler, letting attackers inject arbitrary JavaScript executed in Node.js or browsers, exploit requires attacker control over template filenames or CLI arguments.
Severity & Score
Impact
Attackers can execute arbitrary JavaScript code remotely, potentially leading to full system compromise or data theft.
Mitigation
Upgrade to version 4.7.9 or later.
References
Social Media Activity(2 posts)
š CVE-2026-33941 - High (8.2) Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the Handlebars CLI precompiler (`bin/handlebars` / `lib/precompiler.js`) concatenates user-controlled strings ā template file names a... š https://www.thehackerwire.com/vulnerability/CVE-2026-33941/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
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š CVE-2026-33941 - High (8.2) Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the Handlebars CLI precompiler (`bin/handlebars` / `lib/precompiler.js`) concatenates user-controlled strings ā template file names a... š https://www.thehackerwire.com/vulnerability/CVE-2026-33941/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
View original postRelated Resources
Details
- CVE ID
- CVE-2026-33941
- Severity
- High
- CVSS Score
- 8.2
- Type
- template_injection
- Status
- new
- EPSS
- 0.0%
- Social Posts
- 2
CWE
- CWE-79
CVSS Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H