Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-91379

Enhance JShell (Oracle CPU 2026-10)

CVE-2026-91379: Enhance JShell (Oracle CPU 2026-10). Not in the CISA KEV catalog. Medium advisory severity (CVSS 4.7, Red Hat).

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-2026-91379 key facts

CISA KEV: Not listed (catalog checked Oct 30, 2026)
Highest advisory severity: Medium
CVSS base score: 4.7 (Red Hat)
Weakness: CWE-653
Fixed releases: Red Hat: java-25-openjdk-portable, java-25-openjdk-1:25.0.5.0.8-1.0.el9, java-25-openjdk-windows, java-21-openjdk-portable, java-17-openjdk-portable, java-25-openjdk-1:25.0.5.0.8-1.0.el10 and 4 more in the advisory
Vendor advisories: 2 from NetApp, Red Hat
VulniPulse record: Published Oct 22, 2026 · Updated Oct 30, 2026

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-91379; bulletin-wide values are not repeated here.

Is CVE-2026-91379 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-91379 is not in the CISA KEV catalog (checked Oct 30, 2026) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-91379?

Upgrade to a fixed release named by the vendor:

Red Hat: java-25-openjdk-portable, java-25-openjdk-1:25.0.5.0.8-1.0.el9, java-25-openjdk-windows, java-21-openjdk-portable, java-17-openjdk-portable, java-25-openjdk-1:25.0.5.0.8-1.0.el10

Vendor advisory comparison

NetApp

1 advisory

Advisory severityMedium5.3
Medium [CVE-2026-91332 +3] October 2026 Java SE 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27 Vulnerabilities in NetApp Products
NTAP-20261030-0025Source published Oct 30, 2026Source updated Oct 30, 2026
This bulletin covers 4 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Java SE versions 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1 and 27 are susceptible to multiple vulnerabilities that allow 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 attacks of these vulnerabilities can result in unauthorized access to some or all of Oracle Java SE accessible data. 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 Java but does not include it, please update Java 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 severityMedium4.7
Medium [CVE-2026-91379] Enhance JShell (Oracle CPU 2026-10)
CVE-2026-91379Source published Oct 20, 2026Source updated Oct 20, 2026
Enhance JShell (Oracle CPU 2026-10). Red Hat rates this moderate (CVSS 4.7). Weakness: CWE-653. Red Hat lists fixing advisory RHSA-2026:88352 with package java-25-openjdk-portable, java-25-openjdk-1:25.0.5.0.8-1.0.el9, java-25-openjdk-windows, java-21-openjdk-portable. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8.
Related products — impact not confirmed
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 8
Source-reported affected versions
11.0.32.1
17.0.20.1
21.0.12.1
25.0.4.1
Source-reported fixed versions
java-25-openjdk-portable
java-25-openjdk-1:25.0.5.0.8-1.0.el9
java-25-openjdk-windows
java-21-openjdk-portable
6 more entries in the full advisory.
Mitigation guidance
No mitigation guidance extracted; consult the source.
Full advisory and evidence Open source bulletin

All NetApp advisories

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