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CVE-2026-93579

6.5 medium SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. References+1 references (now 5)NVD modified 2026-10-15 17:17
  2. First seenCVSS 6.5NVD modified 2026-10-12 15:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5