Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-91402

information disclosure via untrusted code execution

CVE-2026-91402: information disclosure via untrusted code execution. Not in the CISA KEV catalog. High advisory severity (CVSS 3.1, 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-2026-91402 key facts

CISA KEV: Not listed (catalog checked Oct 30, 2026)
Highest advisory severity: High
CVSS base score: 3.1 (Red Hat)
Weakness: CWE-653
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-2026-91402; bulletin-wide values are not repeated here.

Is CVE-2026-91402 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-91402 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-2026-91402?

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. (Red Hat)

Vendor advisory comparison

NetApp

1 advisory

Advisory severityHigh7.5
High [CVE-2026-43660 +4] October 2026 Java SE 8u503 Vulnerabilities in NetApp Products
NTAP-20261030-0020Source published Oct 30, 2026Source updated Oct 30, 2026
This bulletin covers 5 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Java SE version 8u503 is 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, unauthorized ability to cause a Denial of Service (DOS) of Oracle Java SE or takeover 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
 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 severityLow3.1
Low [CVE-2026-91402] information disclosure via untrusted code execution
CVE-2026-91402Source published Oct 20, 2026Source updated Oct 20, 2026
information disclosure via untrusted code execution. Red Hat rates this low (CVSS 3.1). Weakness: CWE-653.
Related products — impact not confirmed
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Full advisory and evidence Open source bulletin

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