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Highest advisory severityCritical 2 vendors · 2 advisories

CVE-2026-91403

Java SE Vulnerability in NetApp Products

CVE-2026-91403: Java SE Vulnerability in NetApp Products. Not in the CISA KEV catalog. Critical advisory severity (CVSS 9.1, 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-2026-91403 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Critical
CVSS base score
9.1 (NetApp), 6.8 (Red Hat)
Weakness
CWE-295
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-2026-91403; bulletin-wide values are not repeated here.

Is CVE-2026-91403 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-91403 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-2026-91403?

The tracked advisories that cover only this CVE do not list a fixed release yet. That does not mean no fix exists; check each vendor source below.

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityCritical9.1

    Critical [CVE-2026-91403] Java SE Vulnerability in NetApp Products

    NTAP-20261028-0013Source published Source updated

    Java SE versions 8u511, 11.0.33, 17.0.21, 21.0.13, 25.0.5 and 27.0.1 are 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 Security Alert Advisory - CVE-2026-91403” for additional details. Successful exploitation of this vulnerability could lead to unauthorized creation, deletion or modification access to critical data or all Oracle Java SE. Affected products: Data Infrastructure Insights and Data Secure Storage Workload Security Agent. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status.

    Affected products in this advisory
    • Data Infrastructure Insights and Data Secure Storage Workload Security Agent
    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.
    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 severityMedium6.8

    Medium [CVE-2026-91403] Distrust eMudhra intermediate CA certificates due to security concerns

    CVE-2026-91403Source published Source updated

    Distrust eMudhra intermediate CA certificates due to security concerns. Red Hat rates this critical (CVSS 6.8). Weakness: CWE-295. Affected products named by the advisory: Red Hat build of OpenJDK 11 ELS; Red Hat build of OpenJDK 17; Red Hat build of OpenJDK 1.8; Red Hat build of OpenJDK 21; and 2 more.

    Related products — impact not confirmed
    • Red Hat build of OpenJDK 11 ELS
    • Red Hat build of OpenJDK 17
    • Red Hat build of OpenJDK 1.8
    • Red Hat build of OpenJDK 21

    2 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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