CVE-2026-78669

High

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…

Go·CWE-405·Published 2026-10-08

CVSS

7.5

EPSS

0.01

KEV

Exploits

cve.orgen

212 chars

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.

NVDen

212 chars

OSV.deven

212 chars

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	7.5	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1	Secondary	ENISA EUVD	7.5	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1	Secondary	NVD	7.5	3.9	3.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H