THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2026-42578 (HIGH 7.5) — Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHea

[NVD] CVE-2026-42578 (HIGH 7.5) — Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHea

lownvdPublished 2026-05-13

CVE-2026-42578 CVSS: 7.5 HIGH Published: 2026-05-13T19:17:23.210

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHeadersFactory.headersFactory().withValidation(false), th

Indicators of compromise

CVE-2026-42578cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-42578