CLEANSTART-2026-ZI00010: undici does not validate the type property of a duck-typed blob-like request body before using it as the Content-Type header on the HTTP/1
Published Nov 7, 2026
·Updated
Security vulnerability affects the npm package. undici does not validate the type property of a duck-typed blob-like request body before using it as the Content-Type header on the HTTP/1.
Affected Software
1 affected componentFixes available
cleanstart/npm<12.0.1-r1
12.0.1-r1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
cleanstart/npmto a version that resolves this vulnerability.Fixed in 12.0.1-r1
Event History
Nov 7, 2026
Advisory Published
via OSV·12:35 AM
Data Sourced
via OSV·12:35 AM
DescriptionSeverityAffected Software