🛡️ CVE-2026-50020 on Maven (Root.io) — netty-codec-http

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV

5.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2026-50020 in io.root.io.netty:netty-codec-http - Patched by Root

Root has patched CVE-2026-50020 in the io.root.io.netty:netty-codec-http package for Root:Maven. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-50020 as tracked by Maven (Root.io), for the package netty-codec-http. The fix is available in version 4.1.126.Final-aikido.22; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none. (rating taken from the base CVE record.)

Weakness class

ROOT-APP-MAVEN-CVE-2026-50020 is classified as CWE-444: HTTP Request Smuggling. A proxy and a server disagree on where one request ends, letting an attacker slip a second request past the front end.

Affected software

ROOT-APP-MAVEN-CVE-2026-50020 is recorded against 2 packages.

io.netty:netty-codec-http (fixed in 4.1.126.Final-aikido.22)
io.root.io.netty:netty-codec-http (fixed in 4.1.126.Final-root.io.22)

Timeline and source

Published on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-50020 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Base record Debian

Details

Severity MEDIUM

CVSS Score 5.0

CVSS Vector N/A

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-07-15

Updated 2026-08-12

Modified 2026-07-15

Fix URL N/A

Affected Packages

Software	From version	Fixed in
io.netty:netty-codec-http	—	4.1.126.Final-aikido.22
io.root.io.netty:netty-codec-http	—	4.1.126.Final-root.io.22

References

N/A

🔗 NVD 🔗 Mitre

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