CVE-2026-93566
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BaseFortify
Vulnerability report for CVE-2026-93566, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-18
Last updated on: 2026-10-09
Assigner: redhat-SADP
Description
Description
A flaw was found in Netty. A remote attacker could exploit this by sending a specially crafted HTTP request that includes control characters within the chunk-size line. This bypasses the intended strict validation, allowing the attacker to inject arbitrary HTTP requests. This vulnerability can lead to HTTP request smuggling, potentially resulting in information disclosure or other unauthorized actions.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| netty | netty | From 4.2.0.Final (inc) to 4.2.17.Final (inc) |
| netty | netty | to 4.1.137.Final (inc) |
| red_hat | quarkus | 3.27.5_sp2 |
| red_hat | quarkus | 3.33.3_sp2 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-1035 |
