# NetApp ONTAP 9 Flaw Patched by Vendor

Published: 2026-07-24 · Severity: medium · Sectors: technology
Canonical: https://vorant.io/reports/209e8814-2b1f-5267-b23a-5a6158cbbf98/netapp-ontap-9-flaw-patched-by-vendor

> A vulnerability in NetApp ONTAP 9 can let an attacker cause denial of service and compromise data confidentiality and integrity.

ANSSI (CERT-FR) issued an advisory covering a vulnerability in NetApp's ONTAP 9 storage operating system, tracked as CVE-2026-42511. The flaw affects multiple ONTAP 9 release branches, including 9.16.x prior to 9.16.1P14, 9.18.x prior to 9.18.1P5, and 9.19.x prior to 9.19.1.

Exploitation of the vulnerability could allow a remote attacker to cause a denial of service condition, as well as compromise the confidentiality and integrity of data handled by affected systems. NetApp has published a corresponding security bulletin (NTAP-20260501-0005) detailing the issue and providing patched versions. No evidence of active exploitation is mentioned in the advisory; organizations running affected ONTAP versions are advised to apply the vendor-provided fixes.

## Mentioned in this report

- Vulnerabilities: CVE-2026-42511

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0923

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