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Highest advisory severityHigh 3 vendors · 3 advisories

CVE-2026-35554

CVE-2026-35554: 3 tracked advisory records across Apache, NetApp, Red Hat. Compare vendor sources and published fix guidance.

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.

NVD detail CVE.org

Vendor advisory comparison

Apache

1 advisory
  • Advisory severityHigh8.7

    High [CVE-2026-35554] race condition in the Apache Kafka Java producer client’s buffer pool management

    CVE-2026-35554Source published Source updated

    A race condition in the Apache Kafka Java producer client’s buffer pool management can cause messages to be silently delivered to incorrect topics. When a produce batch expires due to delivery.timeout.ms while a network request containing that batch is still in flight, the batch’s ByteBuffer is prematurely deallocated and returned to the buffer pool. If a subsequent producer batch—potentially destined for a different topic—reuses this freed buffer before the original network request completes, the buffer contents may become corrupted. This can result in messages being delivered to unintended topics without any error being reported to the producer. Data Confidentiality: Messages intended for one topic may be delivered to a different topic, potentially exposing sensitive data to consumers…

    Affected products in this advisory
    • Apache Kafka
    • Apache Kafka Java
    • Kafka
    Source-reported affected versions
    • 3.9.1
    • 4.0.1
    • 4.1.1
    Source-reported fixed versions
    • 3.9.2
    • 4.0.2
    • 4.1.2
    • 4.2.0
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

NetApp

1 advisory
  • Advisory severityHigh8.7

    High [CVE-2026-35554] Apache Kafka Vulnerability in NetApp Products

    NTAP-20260605-0008Source published Source updated

    Multiple NetApp products incorporate Apache Kafka. Apache Kafka versions 2.8.0 through 3.9.1, 4.0.0 through 4.0.1, and 4.1.0 through 4.1.1 are susceptible to a vulnerability which when successfully exploited could lead to disclosure of sensitive information or addition or modification of data. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • 2.8.0
    • 3.9.1
    • 4.0.0
    • 4.0.1

    2 more entries in the full advisory.

    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

Red Hat

1 advisory

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