CVE-2026-78669
Last modified
CVE-2026-78669 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Go standard library | net/http | < 1.26.9 |
| Go standard library | net/http/internal/http2 | >= 1.27.0-0, < 1.27.2 |
| golang.org/x/net | golang.org/x/net/http2 | < 0.60.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST