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NTAP-20260925-0019 — CVE-2026-56848 Node.js Vulnerability in NetApp Products

Published 2026-09-25 · Updated 2026-09-30 · Status: Interim · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20260925-0019 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Brocade SAN firmware · NetApp Console / BlueXP · ONTAP | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2026-56848 — HIGH · CVSS 7.5 · site index

What the CVE records say

CVE-2026-56848 — A flaw in Node.js HTTP/2 handling allows `nghttp2_session_mem_send()` to be called re-entrantly while `nghttp2_session_mem_recv()` is executing, resulting in a heap-use-after-free. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS).

Affected products

Brocade SAN Navigator (SANnav)
NetApp Console Agent Container (audit)
NetApp Console Agent Container (ontap-proxy)
NetApp Console Agent Container (prometheus)
NetApp Console Agent Container (protocol-proxy)
NetApp Console Agent Container (tiering)
NetApp Console Agent OVA

References

https://nodejs.org/en/blog/vulnerability/july-2026-security-releases ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.