CVE-2026-89044

netty-tcnative: HTTP request smuggling in Netty via improper validation of final Transfer-Encoding coding

CVE-2026-89044 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:4391-1, released September 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0028
21st percentile

HTTP request smuggling in Netty via improper validation of final Transfer-Encoding coding

Where it's fixed

ProductFixed inFixReleased
Linux
netty · sles 15.7 4.1.138-150200.4.56.1 SUSE-SU-2026:4391-1 Sep 29, 2026
netty-tcnative · sles 15.6 2.0.84-150200.3.51.1 SUSE-SU-2026:4391-1 Sep 29, 2026
netty-tcnative · sles 15.7 2.0.84-150200.3.51.1 SUSE-SU-2026:4391-1 Sep 29, 2026

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