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NTAP-20260422-0006 — CVE-2026-27142 Golang Vulnerability in NetApp Products

Published 2026-04-22 · Updated 2026-07-15 · Status: Interim · Exploitation: Public · Severity: MEDIUM 6.1 · ONTAP affected: Yes

Official advisory: NTAP-20260422-0006 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Astra Control · ONTAP · NetApp Console / BlueXP | ONTAP-relevant | highest CVSS: 6.1

CVEs in this advisory

CVE-2026-27142 — MEDIUM · CVSS 6.1 · site index

What the CVE records say

CVE-2026-27142 — Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actions in the meta content attribute which follow "url=" by setting htmlmetacontenturlescape=0.

Impact

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

Affected products

Astra Control Center
Astra Control Center - NetApp Kubernetes Monitoring Operator
ONTAP tools for VMware vSphere 10
Astra Control Provisioner
NetApp Console Agent OVA

Official fixes

ONTAP tools for VMware vSphere 10 — vendor fix ↗

References

https://github.com/advisories/GHSA-j4j7-vw47-rhfq ↗

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.