Detections
Analytics

SCA: security update for io.netty:netty-codec-http (GHSA-8c42-7qj2-3j46)

high Tenable Cloud Security Plugin ID 445999

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-59903)

Solution

Update the io.netty:netty-codec-http library and its related packages to version 4.1.137.Final or later.

See Also

https://github.com/advisories/GHSA-8c42-7qj2-3j46

Plugin Details

Severity: High

ID: 445999

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 8/17/2026

Updated: 9/24/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-59903

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2026

Vulnerability Publication Date: 8/17/2026

Reference Information

CVE: CVE-2026-59903

cwe: CWE-524