CVE-2026-56846
A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion. This vulnerability affects Node.js **24.x** and **22.x**.
- Published Aug 4, 2026
- CVSS 7.5 high
- 0.5% chance of exploitation in the next 30 days (EPSS)