CVE Explorer
CVE-2026-54639
Style Dictionary, a build system for creating cross-platform styles, has a prototype pollution vulnerability starting in version 4.3.0 and prior to version 5.4.4. Impact users have: direct usage of `convertTokenData(tokens, { output: 'object' });`; indirect usage, via using Expand API; and/or indirect usage via SD's transform lifecycle. Impact is high for this when style-dictionary is used as an integration in a NodeJS server application. Impact is moderate for when style-dictionary is used as a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"style-dictionary","vendor":"style-dictionary","versions":[{"status":"affected","version":">= 4.3.0, < 5.4.4"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/style-dictionary/style-dictionary/commit/209085d9782cfc0783c4d983f3f1bb2c515954ec","tags":["x_refsource_MISC"],"url":"https://github.com/style-dictionary/style-dictionary/commit/209085d9782cfc0783c4d983f3f1bb2c515954ec"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/references/2
{"name":"https://github.com/style-dictionary/style-dictionary/commit/23b5e8dda143441f0d6b8e2b4222e2da98058bc5","tags":["x_refsource_MISC"],"url":"https://github.com/style-dictionary/style-dictionary/commit/23b5e8dda143441f0d6b8e2b4222e2da98058bc5"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/references/3
{"name":"https://github.com/style-dictionary/style-dictionary/pull/1702","tags":["x_refsource_MISC"],"url":"https://github.com/style-dictionary/style-dictionary/pull/1702"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/references/1
{"name":"https://github.com/style-dictionary/style-dictionary/security/advisories/GHSA-vj5c-m527-mpff","tags":["x_refsource_CONFIRM"],"url":"https://github.com/style-dictionary/style-dictionary/security/advisories/GHSA-vj5c-m527-mpff"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:38f273c90651033f5d337c42a04d30fe28ed493ebfe4761d405e14a02400728b · sha256:f5dc5dc80511d687… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.