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NTAP-20261002-0017 — CVE-2026-59283 Spring Framework Vulnerability in NetApp Products

Published 2026-10-02 · Updated 2026-10-02 · Status: Interim · Exploitation: Public · Severity: CRITICAL 9.1 · ONTAP affected: Yes

Official advisory: NTAP-20261002-0017 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Brocade SAN firmware · E-Series / SANtricity · SolidFire / NetApp HCI · Other NetApp products · ONTAP · OnCommand family · SnapCenter | ONTAP-relevant | highest CVSS: 9.1

CVEs in this advisory

CVE-2026-59283 — CRITICAL · CVSS 9.1 · site index

What the CVE records say

CVE-2026-59283 — Applications that evaluate Spring Expression Language (SpEL) expressions using SimpleEvaluationContext may be vulnerable to a safety guard bypass when the SpEL expression compiler is active. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

Impact

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

Affected products

Brocade SAN Navigator (SANnav)
E-Series SANtricity OS Controller Software
Management Services for Element Software and NetApp HCI
MetroCluster Tiebreaker
NetApp SolidFire & HCI Management Node
NetApp SolidFire & HCI Storage Node (Element Software)
ONTAP tools for VMware vSphere 10
OnCommand Insight
SANtricity Storage Plugin for vCenter
SnapCenter
SnapCenter Plug-in for VMware vSphere

References

https://spring.io/security/cve-2026-59283 ↗

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.