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Critical 4 vendors · 4 advisories

CVE-2026-1642: Nginx Vulnerability in NetApp Products

CVE-2026-1642 key facts

CISA KEV
Not listed (catalogue checked )
Highest advisory rating
Critical
CVSS base score
8.2 (NetApp), 5.9 (F5), 5.9 (Red Hat)
Weakness
CWE-349
Fixed releases
  • Red Hat: RHSA-2026:6408
Vendor advisories
4 from F5, NetApp, Red Hat, Splunk
Listed by VulniPulse
Record changed

Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-1642; each belongs to its advisory, not to every product listed. How records are collected and checked.

How do I fix CVE-2026-1642?

Upgrade to a fixed release named by the vendor:

  • Red Hat: RHSA-2026:6408
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:6408 (`sudo dnf update` / `yum update`). (Red Hat)

Vendor advisories for CVE-2026-1642

F5

1 advisory
  • Advisory severityMedium5.9

    Medium [CVE-2026-1642] vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers

    CVE-2026-1642Source published Source updated

    A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data into the response from an upstream proxied server. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

    Related products — impact not confirmed
    • NGINX Plus
    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

NetApp

1 advisory
  • Advisory severityHigh8.2

    High [CVE-2026-1642] Nginx Vulnerability in NetApp Products

    NTAP-20260313-0008Source published Source updated

    Multiple NetApp products incorporate Nginx. Nginx versions 1.29.0 prior to 1.29.5 and 1.3.0 prior to 1.28.2 are susceptible to a vulnerability which when successfully exploited could lead to addition or modification of data. Successful exploitation of this vulnerability could lead to addition or modification of data. Affected products: Management Services for Element Software and NetApp HCI. 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
    • Management Services for Element Software and NetApp HCI
    Source-reported affected versions
    • 1.29.0
    • 1.29.5
    • 1.3.0
    • 1.28.2
    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
  • Advisory severityMedium5.9

    Medium [CVE-2026-1642] Data injection via man-in-the-middle attack on TLS proxied connections

    CVE-2026-1642Source published

    Data injection via man-in-the-middle attack on TLS proxied connections. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-349. Affected package(s): nginx-main, nginx, nginx:1.24, discovery/discovery-ui-rhel9:1773273070, nginx:1.26, rhui5/rhua-rhel9:1776868842. Resolved in Red Hat advisory RHSA-2026:6408 — update the affected packages (`sudo dnf update`).

    Related products — impact not confirmed
    • Red Hat Enterprise Linux 9
    • Red Hat Enterprise Linux 1
    • nginx-main
    • nginx:1.24

    3 more entries in the full advisory.

    Source-reported affected versions
    • nginx-main-1.30.0-1.hum1
    • nginx-2:1.20.1-24.el9_7.1
    • nginx:1.24-9060020260327134414.9
    • nginx-2:1.26.3-1.el10_0.3

    8 more entries in the full advisory.

    Source-reported fixed versions
    • RHSA-2026:6408
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:6408 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

Splunk

1 advisory
  • Advisory severityCritical

    Critical [CVE-2025-13465 +86] Third-Party Package Updates in Splunk SOAR - August 2026

    SVD-2026-0805Source published

    This bulletin covers 87 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Splunk remedied common vulnerabilities and exposures (CVEs) in Third Party Packages in Splunk SOAR version 8.6.0, and higher. Affected product named by the advisory: Splunk SOAR 8.6.

    Affected products in this advisory
    • Splunk SOAR 8.6
    Source-reported affected versions
    • Splunk SOAR Below 8.6.0
    Source-reported fixed versions
    • Splunk SOAR 8.6.0
    Mitigation guidance
    • Upgrade Splunk SOAR to version 8.6.0, or higher.
    Full advisory and evidenceOpen source bulletin

References

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