CVE-2026-78669
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 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-25)
- CWE
- CWE-405
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GO-2026-6611 | Go | stdlib | <1.26.9 | 1.26.9 |
| GO-2026-6611 | Go | stdlib | >=1.27.0-0 <1.27.2 | 1.27.2 |
| GO-2026-6611 | Go | golang.org/x/net | <0.60.0 | 0.60.0 |