Handlebars: JavaScript Injection via Own Property Check Bypass
Critical vendor advisory
CVE-2026-106445
Summary
Handlebars: JavaScript Injection via Own Property Check Bypass
Why it matters
GitHub has published a reviewed security advisory for handlebars. Prioritize it with other application dependency updates, especially because EPSS places it in the 33% percentile.
Operator check
Check whether handlebars is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.2. EPSS probability: 0.4%; percentile: 33%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.