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CVE-2026-4408: openshift container platform 4.0; +28 more affected products

CVE-2026-4408. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.0175 (percentile 0.77164), scored 2026-10-08.

Affected technology

openshift container platform · 4.0
redhat

samba · from 4.1.0 (inclusive), before 4.21.0 (exclusive)
samba

enterprise linux · 6.0
redhat

enterprise linux · 7.0
redhat

enterprise linux · 9.0
redhat

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10.0 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 Extended Lifecycle Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.12 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.13 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.14 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.15 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.16 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.17 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.18 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.19 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.20 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.21 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. Vendor/CNA’s CVSS 3.1 assessment (base score 9.0/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 9.0/10) rates confidentiality, integrity and availability impact as high.

Published

CWE
CWE-78
CCR priority
39.6 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS
0.0175 · percentile 0.77164 · 2026-10-08
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-4408.html