Style Dictionary - Prototype Pollution in convertTokenData utility function

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-54639 · Microsoft / collected KEV context

EUVD-2026-38640

GHSA-vj5c-m527-mpff

cve-program · CVE-2026-54639

• https://github.com/style-dictionary/style-dictionary/security/advisories/GHSA-vj5c-m527-mpff
• https://github.com/style-dictionary/style-dictionary/pull/1702
• https://github.com/style-dictionary/style-dictionary/commit/209085d9782cfc0783c4d983f3f1bb2c515954ec
• https://github.com/style-dictionary/style-dictionary/commit/23b5e8dda143441f0d6b8e2b4222e2da98058bc5

euvd · EUVD-2026-38640

• https://github.com/style-dictionary/style-dictionary/security/advisories/GHSA-vj5c-m527-mpff
• https://github.com/style-dictionary/style-dictionary/pull/1702
• https://github.com/style-dictionary/style-dictionary/commit/209085d9782cfc0783c4d983f3f1bb2c515954ec
• https://github.com/style-dictionary/style-dictionary/commit/23b5e8dda143441f0d6b8e2b4222e2da98058bc5

nvd · CVE-2026-54639

• https://github.com/style-dictionary/style-dictionary/commit/209085d9782cfc0783c4d983f3f1bb2c515954ec
• https://github.com/style-dictionary/style-dictionary/commit/23b5e8dda143441f0d6b8e2b4222e2da98058bc5
• https://github.com/style-dictionary/style-dictionary/pull/1702
• https://github.com/style-dictionary/style-dictionary/security/advisories/GHSA-vj5c-m527-mpff

osv · GHSA-vj5c-m527-mpff

• https://github.com/style-dictionary/style-dictionary/security/advisories/GHSA-vj5c-m527-mpff
• https://nvd.nist.gov/vuln/detail/CVE-2026-54639
• https://github.com/style-dictionary/style-dictionary/pull/1702
• https://github.com/style-dictionary/style-dictionary/commit/209085d9782cfc0783c4d983f3f1bb2c515954ec
• https://github.com/style-dictionary/style-dictionary/commit/23b5e8dda143441f0d6b8e2b4222e2da98058bc5
• https://github.com/style-dictionary/style-dictionary
• https://github.com/style-dictionary/style-dictionary/releases/tag/v5.4.4

No related operational record is retained in the current change model.