Style Dictionary - Prototype Pollution in convertTokenData utility function
High-risk advisory
CVE-2026-54639
Summary
Style Dictionary - Prototype Pollution in convertTokenData utility function
Why it matters
GitHub has published a reviewed security advisory for style-dictionary. Prioritize it with other application dependency updates, especially because EPSS places it in the 3% percentile.
Operator check
Check whether style-dictionary is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.1%; percentile: 3%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.