CVE-2026-42585
Netty: HTTP Request Smuggling due to malformed Transfer-Encoding
HIGH 7.5EPSS 0.3%
Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.
- Affected
- netty · io.netty · netty-codec-http
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS v3.1 GITHUB
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - EPSS
- 0.29% chance of exploitation in the next 30 days, 21st percentile
- Published
- 2026-05-13
- Updated
- 2026-05-15