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Red Hat Enterprise Linux 10 CVE-2026-4105

| EUVDEUVD-2026-11774 MEDIUM
Improper Access Control (CWE-284)
2026-03-13 redhat
Authentication Bypass Red Hat Enterprise Linux 10 Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 9 Red Hat Openshift Container Platform 4 Red Hat
6.7
CVSS 3.1 · Vendor: redhat
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Vulnerability Assessment

Weakness
CWE
CWE-284
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

Severity: High (7.8/10.0) No EPSS data available yet Local attack vector — requires local access or user interaction to exploit
Exploit ScenarioDerived

An attacker with local access to the system can exploit this vulnerability.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 13, 2026

High severity vulnerability in systemd. A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation of the class parameter in the RegisterMachine D-Bus (Desktop Bus) method. A local unprivileged user can exploit this by attempting to register a machine with a specific class value, which may leave behind a usable, attacker-controlled machine object. This al...

RemediationAI

Monitor redhat for patches and updates. Reference: https://access.redhat.com/security/cve/CVE-2026-4105

Affects your stack

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Technical ContextAI · show details

Vulnerability Type: Improper Access Control (CWE-284) CVSS 3.1: 7.8/10.0 — Attack Vector: Local | Complexity: Low | Privileges Required: Low | User Interaction: None Attack Techniques: Authentication Bypass Source: redhat Authentication bypass allows attackers to access protected resources without valid credentials.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (redhat) PRIMARY 6.7 MEDIUM
AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SUSE MEDIUM
Red Hat 6.7 MEDIUM

Primary rating from Vendor (redhat).

CVSS VectorVendor: redhat

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
CVE Published
Mar 13, 2026 - 08:52 nvd
MEDIUM 6.7

DescriptionCVE.org

A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation of the class parameter in the RegisterMachine D-Bus (Desktop Bus) method. A local unprivileged user can exploit this by attempting to register a machine with a specific class value, which may leave behind a usable, attacker-controlled machine object. This allows the attacker to invoke methods on the privileged object, leading to the execution of arbitrary commands with root privileges on the host system.

Executive ViewAI

Why It Matters

Organizations using A flaw should be aware of notable risk from CVE-2026-4105, a improper access control vulnerability rated CVSS 6.7. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 97% exploitable
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS MSRC Vendor GitHub VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:red_hat:red_hat_enterprise_linux_10:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_10:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_10:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_7:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_8:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_8:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_9:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_enterprise_linux_9:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_openshift_container_platform_4:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_openshift_container_platform_4:*:*:*:*:*:*:*:*
cpe:2.3:a:red_hat:red_hat_openshift_container_platform_4:*:*:*:*:*:*:*:*

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Same weakness CWE-284 – Improper Access Control

View all
CVE-2015-3306 CRITICAL POC
10.0
CVE-2012-4681 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2012-1723 CRITICAL POC
9.8
CVE-2012-5076 CRITICAL POC
9.8
CVE-2014-3120 HIGH POC
8.1
CVE-2013-2423 LOW POC
3.7
CVE-2016-3427 CRITICAL
9.8

Same technique Authentication Bypass

View all
CVE-2023-22515 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3

Vendor StatusVendor

Debian

systemd
Release Status Fixed Version Urgency
bullseye vulnerable 247.3-7+deb11u5 -
bullseye (security) vulnerable 247.3-7+deb11u7 -
bookworm vulnerable 252.39-1~deb12u1 -
bookworm (security) vulnerable 252.38-1~deb12u1 -
trixie vulnerable 257.9-1~deb13u1 -
forky vulnerable 260~rc2-1 -
sid fixed 260~rc3-1 -
(unstable) fixed 260~rc3-1 -

SUSE

Severity: Medium
Product Status
Container suse/ltss/sle12.5/sles12sp5:8.5.213 Affected
Container suse/manager/4.3/proxy-httpd:4.3.17.9.76.3 Affected
Container suse/manager/4.3/proxy-salt-broker:4.3.17.9.66.3 Container suse/manager/4.3/proxy-ssh:4.3.17.9.66.3 Affected
Container suse/manager/5.0/x86_64/proxy-httpd:latest Container suse/manager/5.0/x86_64/server-hub-xmlrpc-api:latest Affected
Container suse/manager/5.0/x86_64/proxy-ssh:latest Container suse/manager/5.0/x86_64/server-attestation:latest Container suse/manager/5.0/x86_64/server-migration-14-16:latest Affected

References

Advisories & patches
ADVISORY https://access.redhat.com/security/cve/CVE-2026-4105 ADVISORY https://bugzilla.redhat.com/show_bug.cgi?id=2447262 ADVISORY https://github.com/systemd/systemd/security/advisories/GHSA-4h6x-r8vx-3862 ADVISORY https://vuldb.com/?id.350835 ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:0990/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:0991/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:1040/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:1061/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20822/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20823/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20826/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20827/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20998/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:21003/ REF https://access.redhat.com/errata/RHSA-2026:7299

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