Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2026-33870

🗓️ 27 Mar 2026 19:54:15Reported by GitHub_MType 
cve
 cve🔗 web.nvd.nist.gov👁 398 Views

Netty before 4.1.132.Final and 4.2.10.Final allows request smuggling via chunked extension parsing.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in netty-codec-http-4.1.129.Final.jar
28 Apr 202622:37
–ibm
IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
15 Apr 202615:10
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities affect IBM Decision Optimization for Cloud Pak for Data.
5 Jun 202610:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Netty and jackson-core (CVE-2026-33870, WS-2026-003)
11 May 202607:46
–ibm
IBM Security Bulletins		Security Bulletin: IBM Event Processing is affected by Multiple vulnerabilities
12 Jun 202607:30
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in netty-codec-http-4.1.130.Final.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-33870)
29 May 202609:04
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses netty-codec-http-4.2.9.Final.jar which is vulnerable to CVE-2026-33870
29 May 202608:49
–ibm
IBM Security Bulletins		Security Bulletin: DevOps Test Performance contains a vulnerability related to use of the Netty framework
17 Apr 202618:51
–ibm
IBM Security Bulletins		Security Bulletin: IBM SPSS Analytic Server is affected by multiple vulnerabilities in Netty
27 May 202605:11
–ibm
ATTACKERKB		CVE-2026-33870
27 Mar 202619:54
–attackerkb
Rows per page
NVD
Vulners
Node
nettynettyRange<4.1.132
OR
nettynettyRange4.2.0–4.2.10
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": "< 4.1.132.Final",
        "status": "affected"
      },
      {
        "version": ">= 4.2.0.Alpha1, < 4.2.10.Final",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
30 Mar 2026 20:12Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00028
SSVC
CWE-444
nettychunked extensionsquoted strings parsinghypertext transfer protocolrequest smuggling
398