Handlebars: JavaScript Injection via AST Type Confusion in compile (bypass of CVE-2026-33937)
High-risk advisory
CVE-2026-106446
Summary
Handlebars: JavaScript Injection via AST Type Confusion in compile (bypass of CVE-2026-33937)
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 49% 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. EPSS probability: 0.6%; percentile: 49%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.