cve-2026-93579

MEDIUM CVSS 6.5 nvd
Description

A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited characters, such as NUL, Line Feed, and Carriage Return, into HTTP/2 header field values due to insufficient validation. When these values cross an HTTP/2 to HTTP/1.1 translation boundary, they can be exploited for request smuggling, header injection, or response splitting. This could lead to unauthorized access, data manipulation, or other security bypasses.

Timeline
Published
2026-09-18
Last Modified
2026-11-04
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Affected Products

No product information available.

Weaknesses (CWE)
CWE-1035
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N 3.9 2.5 secalert@redhat.com
NVD metadata
NVD status
Awaiting Analysis
Source identifier
secalert@redhat.com
References
Linked Vulnerabilities
cpuoct2026csaf csaf_oracle 

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Enrichment data
EPSS
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CISA KEV
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Aggregated bundle (all enrichments)
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