Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-91394

Java SE Vulnerability in NetApp Products

CVE-2026-91394: Java SE Vulnerability in NetApp Products. Not in the CISA KEV catalog. Medium advisory severity (CVSS 5.9, 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-2026-91394 key facts

CISA KEV: Not listed (catalog checked Oct 28, 2026)
Highest advisory severity: Medium
CVSS base score: 5.9 (NetApp), 5.9 (Red Hat)
Weakness: CWE-524
Vendor advisories: 2 from NetApp, Red Hat
VulniPulse record: Published Oct 22, 2026 · Updated Oct 28, 2026

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-91394; bulletin-wide values are not repeated here.

Is CVE-2026-91394 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-91394 is not in the CISA KEV catalog (checked Oct 28, 2026) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-91394?

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

Vendor advisory comparison

NetApp

1 advisory

Advisory severityMedium5.9
Medium [CVE-2026-91394] Java SE Vulnerability in NetApp Products
NTAP-20261028-0016Source published Oct 28, 2026Source updated Oct 28, 2026
Java SE versions 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1 and 27 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 Critical Patch Update Advisory - October 2026” for additional details. Successful exploitation of this vulnerability could lead to unauthorized access to critical data or complete access to 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
Refer to “Oracle Critical Patch Update Advisory - October 2026” for additional details.
Workarounds
 If a product requires JRE but does not include it, please update JRE to a fixed version that aligns with the product requirements. <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> 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. 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. 
Full advisory and evidence Open source bulletin

Red Hat

1 advisory

Advisory severityMedium5.9
Medium [CVE-2026-91394] Enhance HTTP client caching (Oracle CPU 2026-10)
CVE-2026-91394Source published Oct 20, 2026Source updated Oct 20, 2026
Enhance HTTP client caching (Oracle CPU 2026-10). Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-524. 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 13 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
13 more entries in the full advisory.
Source-reported affected versions
11.0.32.1
17.0.20.1
21.0.12.1
25.0.4.1
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 evidence Open source bulletin

All NetApp advisories

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