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Security Advisory: LiteSpeed Web Server HTTP/2 Request Smuggling

This is a security release for LiteSpeed. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.

High
LiteSpeed AlmaLinux 8 AlmaLinux 9 CentOS 7 CloudLinux 8 CloudLinux 9

Betroffene Versionen

LiteSpeed Web Server 6.2.5 and earlier

Gepatchte Version

LiteSpeed Web Server 6.2.6

Standard-Update-Befehl

yum update -y

Fix-Befehle

AlmaLinux 9 / CloudLinux 9

dnf update lsws
/usr/local/lsws/bin/lshttpd -r

AlmaLinux 8 / CloudLinux 8

dnf update lsws
/usr/local/lsws/bin/lshttpd -r

CentOS 7 / CloudLinux 7

yum update lsws
/usr/local/lsws/bin/lshttpd -r

Was das unter einer SharedLicense-Lizenz bedeutet

Your SharedLicense license itself is not affected — this is a change in LiteSpeed software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.

Referenzen

Sicherheitshinweise

Verwandte Warnhinweise

LiteSpeed CVE-2026-93903

2026-09-30 00:00:00

EasyApache 4 25.81 — cPanel & WHM Update

2026-09-30

cPanel CVE-2026-87899: Privilege Escalation

2026-09-23 00:00:00

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