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Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-72656

CVE-2026-72656: 2 tracked advisory records across NetApp, Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityMedium6.5

    Medium [CVE-2026-72656] Elasticsearch Vulnerability in NetApp Products

    NTAP-20261009-0007Source published Source updated

    Elasticsearch versions 8.11.0 through 8.17.9 are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to Denial of Service (DoS). NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • 8.11.0
    • 8.17.9
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityMedium6.5

    Medium [CVE-2026-72656] Denial of Service via excessive memory allocation in ES|QL queries

    CVE-2026-72656Source published Source updated

    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. A flaw was found in Elasticsearch. This excessive memory consumption exhausts the available resources on the receiving node, leading to a denial of service (DoS) condition where the node becomes unavailable. When evaluating a specially crafted ES|QL query, the engine fails to enforce upper bounds on memory allocation requests, triggering unbounded heap consumption. An…

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • Restrict ES|QL query permissions using Elasticsearch role-based access control (RBAC) so that only trusted users can submit queries. Additionally, configure request circuit breakers (`indices.breaker.request.limit`) to restrict maximum memory usage per query execution.
    Full advisory and evidenceOpen source bulletin

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