HTTP Request Smuggling Affecting eap8-resteasy-client-api package, versions <0:6.2.19-1.Final_redhat_00002.1.el10eap


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.32% (26th percentile)

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  • Snyk IDSNYK-RHEL10-EAP8RESTEASYCLIENTAPI-21800076
  • published29 Oct 2026
  • disclosed17 Aug 2026

Introduced: 17 Aug 2026

CVE-2026-59903  (opens in a new tab)
CWE-444  (opens in a new tab)

How to fix?

Upgrade RHEL:10 eap8-resteasy-client-api to version 0:6.2.19-1.Final_redhat_00002.1.el10eap or higher.
This issue was patched in RHSA-2026:92059.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eap8-resteasy-client-api package and not the eap8-resteasy-client-api package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse authenticated responses across users and disclose sensitive information. This issue is fixed in versions 4.1.137.Final and 4.2.17.Final.

CVSS Base Scores

version 3.1