Vulnerability intelligence
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.
CVSS Score
7.5
High
EPSS — Exploit Probability
0.5%
Riskier than 41% of all CVEs · checked 2026-10-15
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
No linked coverage yet. CyberSIXT tracks this CVE and coverage will appear here.