CVE-2026-33940 - Vulnerability Analysis
HighCVSS: 8.1Last Updated: March 27, 2026
Handlebars - Remote Code Execution
Overview
Handlebars 4.0.0 through 4.7.8 contains a remote code execution caused by crafted objects bypassing conditional guards in resolvePartial(), letting attackers execute arbitrary commands via dynamic partial lookups, exploit requires control over dynamic partial lookup values.
Severity & Score
Impact
Attackers can execute arbitrary code on the server, potentially leading to full system compromise.
Mitigation
Upgrade to version 4.7.9 or later.
References
Social Media Activity(2 posts)
š CVE-2026-33940 - High (8.1) Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, a crafted object placed in the template context can bypass all conditional guards in `resolvePartial()` and cause `invokePartial()` to ... š https://www.thehackerwire.com/vulnerability/CVE-2026-33940/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
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š CVE-2026-33940 - High (8.1) Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, a crafted object placed in the template context can bypass all conditional guards in `resolvePartial()` and cause `invokePartial()` to ... š https://www.thehackerwire.com/vulnerability/CVE-2026-33940/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack
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Details
- CVE ID
- CVE-2026-33940
- Severity
- High
- CVSS Score
- 8.1
- Type
- template_injection
- Status
- new
- EPSS
- 0.0%
- Social Posts
- 2
CWE
- CWE-94
CVSS Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H