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Highest advisory severityLow 2 vendors · 2 advisories

CVE-2026-91409

Java SE Vulnerability in NetApp Products

CVE-2026-91409: Java SE Vulnerability in NetApp Products. Not in the CISA KEV catalog. Low advisory severity (CVSS 3.7, NetApp).

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.

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CVE-2026-91409 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Low
CVSS base score
3.7 (NetApp), 3.7 (Red Hat)
Weakness
CWE-770
Vendor advisories
2 from NetApp, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-91409; bulletin-wide values are not repeated here.

Is CVE-2026-91409 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-91409 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-91409?

  • Refer to “Oracle Critical Patch Update Advisory - October 2026” for additional details. (NetApp)

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityLow3.7

    Low [CVE-2026-91409] Java SE Vulnerability in NetApp Products

    NTAP-20261028-0018Source published Source updated

    Java SE version 27 is susceptible to a vulnerability which when successfully exploited could allow an unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Refer to “Oracle Critical Patch Update Advisory - October 2026” for additional details. Successful exploitation of this vulnerability could lead to unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status.

    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
    • Refer to “Oracle Critical Patch Update Advisory - October 2026” for additional details.
    Workarounds
    • <p> If a product requires JRE but does not include it, please update JRE to a fixed version that aligns with the product requirements. <br><br> <a href="https://kb.netapp.com/Advice_and_Troubleshooting/Data_Infrastructure_Management/E-Series_SANtricity_Management_Software/How_to_update_the_Java_Runtime_Environment_(JRE)__Storage_Manager_11.10_or_later" target="_blank">Updating the Java Runtime Environment (JRE) used by SANtricity Storage Manager 11.10 or later </a> <br><br> In Full Support versions of Active IQ Unified Manager for Linux & Windows the Java software can be upgraded as specified in the product documentation. For assistance with upgrade issues please consult technical support. <br><br> In Full Support versions of OnCommand Insight the Java software can be upgraded. For assistance with the upgrade and access to the updated OnCommand Insight binaries please consult technical support. <br><br> </p>
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityLow3.7

    Low [CVE-2026-91409] Enhance QUIC connections (Oracle CPU 2026-10)

    CVE-2026-91409Source published Source updated

    Enhance QUIC connections (Oracle CPU 2026-10). Red Hat rates this low (CVSS 3.7). Weakness: CWE-770. Affected products named by the advisory: Red Hat build of OpenJDK 11 ELS; Red Hat build of OpenJDK 17; Red Hat build of OpenJDK 21; Red Hat build of OpenJDK 25; and 14 more.

    Related products — impact not confirmed
    • Red Hat build of OpenJDK 11 ELS
    • Red Hat build of OpenJDK 17
    • Red Hat build of OpenJDK 21
    • Red Hat build of OpenJDK 25

    14 more entries in the full advisory.

    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
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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