thoralox

CVE-2026-106990

Last verified 2h ago

Node.js undici request smuggling via chunk extensions

Exploited in the wild?
No evidence
Public exploit?
YES · 2 PoCs
Patch available?
YES · Upstream & distros
Severity
6.5 MEDIUM
Check if you're affected Jump to fix commands

Risk signals

Known exploited
Not in KEV
4.1%
EPSS probability
71.3th percentile
PoC repos
2
CVSS
6.5

Summary

Malformed chunk extensions desync proxies that forward to Node HTTP servers.

Fix it

Per-distro commands are being verified
Our team is confirming fixed package versions for Node.js. Use your distribution's security tracker in the meantime.

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