HTTP Request Smuggling Affecting zipkin package, versions <3.6.1-r6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-WOLFILATEST-ZIPKIN-16541970
  • published9 May 2026
  • disclosed13 May 2026

Introduced: 9 May 2026

NewCVE-2026-42585  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade Wolfi zipkin to version 3.6.1-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zipkin package and not the zipkin package as distributed by Wolfi. See How to fix? for Wolfi relevant fixed versions and status.

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.