Name: CVE-2026-78669: Asymmetric Resource Consumption (Amplification)
Creator: Rapid7
Published: 2026-10-08T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-78669, CWE-405, CVSS 7.5, EPSS 0.00568

A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade go	Oct 15, 2026	Oct 8, 2026
Redhat_linux	—	No solution exists	Oct 13, 2026	Oct 8, 2026

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CVSS Details

Covered by Rapid7

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