Home / Security / Advisories / NTAP-20261009-0007
NTAP-20261009-0007 — CVE-2026-72656 Elasticsearch Vulnerability in NetApp Products
Published 2026-10-09 · Updated 2026-10-09 · Status: Interim · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: No — other NetApp product
Product family: Brocade SAN firmware | other NetApp product | highest CVSS: 6.5
CVEs in this advisory
- CVE-2026-72656 — MEDIUM · CVSS 6.5 · site index
What the CVE records say
CVE-2026-72656 — Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user able to submit ES|QL queries could send a specially crafted query whose evaluation allocates an unbounded amount of heap memory, exhausting the available heap on the receiving node and causing the node to become unavailable.
Impact
Successful exploitation of this vulnerability could lead to Denial of Service (DoS).
Affected products
- Brocade SAN Navigator (SANnav)
References
What to do
- Compare your installed product and version against the affected list above and the official advisory's affected-versions table.
- Apply the fixed release named in the official advisory, or the documented workaround if no fix ships yet.
- Limit management-plane exposure (BMC/management interfaces, web UIs, SNMP) until patched.
- Track follow-ups in the site CVE index and the security RSS feed.
Related reading
- Site CVE index — every CVE we track, split by year
- Security hub — recent NetApp advisories and what changed
- Security hardening baseline — applies to NetApp management planes generally
- Every NetApp advisory published in 2026