CLEANSTART-2026-WR14423

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-WR14423.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-WR14423
Upstream
Published
2026-09-29T00:39:59Z
Modified
2026-09-30T00:45:25Z
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 bundles a WebSocket client whose permessage-deflate size-limit cleanup removes all listeners from the internal zlib inflate stream, including its error listener, while that stream can still ...
Details

Security vulnerability affects the langfuse package. undici bundles a WebSocket client whose permessage-deflate size-limit cleanup removes all listeners from the internal zlib inflate stream, including its error listener, while that stream can still emit.

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-WR14423.json"