CLEANSTART-2026-FK35606

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-FK35606.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-FK35606
Upstream
Published
2026-09-29T00:39:59Z
Modified
2026-09-29T01:00:11Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
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
Details

Security vulnerability affects the langfuse 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.

References

Affected packages

CleanStart / langfuse

Package

Name
langfuse

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.225.9-r1

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-FK35606.json"