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CVE-2026-50020 Netty's HttpObjectDecoder skips arbitrary initial control characters when only initial CRLF characters are permitted

🗓️ 12 Jun 2026 14:55:32Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Netty HttpObjectDecoder swallowed initial control characters before the first request line, beyond RFC.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities affect Data Virtualization on IBM Software Hub (June 2026 - Part 1 of 2)
7 Jul 202607:23
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Netty (CVE-2026-50010,CVE-2026-50020,CVE-2026-45416 & CVE-2026-44249)
10 Jul 202605:11
–ibm
BDU FSTEC		The vulnerability of the HttpObjectDecoder component in the framework for developing network applications, servers, and client protocols based on Netty allows attackers to compromise the integrity of protected information.
19 Jun 202600:00
–bdu_fstec
Chainguard		CVE-2026-50020 vulnerabilities
16 Jun 202614:16
–cgr
Circl		CVE-2026-50020
15 Jun 202622:41
–circl
CVE		CVE-2026-50020
12 Jun 202614:55
–cve
Cvelist		CVE-2026-50020 Netty's HttpObjectDecoder skips arbitrary initial control characters when only initial CRLF characters are permitted
12 Jun 202614:55
–cvelist
Debian CVE		CVE-2026-50020
12 Jun 202614:55
–debiancve
EUVD		EUVD-2026-36468
15 Jun 202620:46
–euvd
Github Security Blog		Netty: HttpObjectDecoder skips arbitrary initial control characters when only initial CRLF characters are permitted
15 Jun 202620:46
–github
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09 Jul 2026 10:14Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.3
EPSS0.00232
nettyhttpobjectdecodersecurityrequest-linecve2026-50020
1