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NTAP-20261104-0013 — CVE-2026-86140 Libxml2 Vulnerability in NetApp Products

Published 2026-11-04 · Updated 2026-11-04 · Status: Interim · Exploitation: Public · Severity: HIGH 8.0 · ONTAP affected: Yes

Official advisory: NTAP-20261104-0013 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP · NetApp Console / BlueXP · Other NetApp products · SolidFire / NetApp HCI · SnapCenter | ONTAP-relevant | highest CVSS: 8.0

CVEs in this advisory

CVE-2026-86140 — HIGH · CVSS 8.0 · site index

What the CVE records say

CVE-2026-86140 — In libxml2 before 2.15.4, xmlSnprintfElements in valid.c has a strcat stack-based buffer overflow.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data or Denial of Service (DoS).

Affected products

ONTAP Select Deploy administration utility
NetApp Console Agent
NetApp Console Agent Container (docker_occm)
NetApp Console Agent OVA
NetApp Manageability SDK
NetApp SMI-S Provider
NetApp SolidFire & HCI Management Node
NetApp SolidFire & HCI Storage Node (Element Software)
SnapCenter Plug-in for VMware vSphere

References

https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4 ↗

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.