CVE-2026-56846 (GCVE-0-2026-56846)

Vulnerability from cvelistv5 – Published: 2026-08-04 00:49 – Updated: 2026-08-04 15:03
VLAI
Summary
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**.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 14:28 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
hackerone CNA under the mitre root
CNA scorecard D 59/100 over 213 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nodejs node Affected: 24.18.0 , ≤ 24.18.0 (semver)
Affected: 22.23.1 , ≤ 22.23.1 (semver)
guessed Create a notification for this product.
Show details on NVD website
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