CVE-2026-44468— Incorrect Default Permissions in CODESYS Development System
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CODESYS | CODESYS Development System | 3.0.0.0< 3.5.22.20 | affected |
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I. Basic Information for CVE-2026-44468
Vulnerability Information
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Vulnerability Title
Incorrect Default Permissions in CODESYS Development System
Source: CVE Program / CVE List V5
Vulnerability Description
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
CODESYS Development System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODESYS Development System是德国CODESYS公司的一套用于工业控制器和自动化技术领域的编程工具。 CODESYS Development System存在安全漏洞，该漏洞源于管理安装期间创建目录时使用不安全的默认权限，低权限本地攻击者可修改定义要安装组件的临时文件，通过强制部署任意组件实现本地权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| CODESYS | CODESYS Development System | 3.0.0.0 ~ 3.5.22.20 | - |
II. Public POCs for CVE-2026-44468
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-44468 (1)
Same Patch Batch · CODESYS · 2026-05-26 · 4 CVEs total
| CVE-2026-8046 | 8.1 HIGH | Incorrect Authorization in CODESYS Control |
| CVE-2026-44469 | 7.8 HIGH | Incorrect Default Permissions in CODESYS Development System |
| CVE-2026-8047 | 7.5 HIGH | Out-of-bounds Write in CODESYS Control |
IV. Related Vulnerabilities
Same product: CODESYS Development System
- CVE-2026-44469
Incorrect Default Permissions in CODESYS Development System - CVE-2025-41700
CODESYS Development System - Deserialization of Untrusted Da - CVE-2023-3669
CODESYS: Missing Brute-Force protection in CODESYS Developme - CVE-2023-3662
CODESYS: Vulnerability in CODESYS Development System allows - CVE-2023-3663
CODESYS: Missing integrity check in CODESYS Development Syst
Same vendor: CODESYS
- CVE-2026-35226
Out-of-bounds Write in CODESYS PROFINET Controller - CVE-2026-8047
Out-of-bounds Write in CODESYS Control - CVE-2026-8046
Incorrect Authorization in CODESYS Control - CVE-2026-44469
Incorrect Default Permissions in CODESYS Development System - CVE-2026-0393
CODESYS Visualization - Insufficiently Protected Credentials
Same weakness: CWE-276
- CVE-2026-4793
Synology Assistant 权限许可和访问控制问题漏洞 - CVE-2026-16247
Insecure permission overwrite due to execution of LogPathCon - CVE-2026-16246
Insecure permission assignment due to execution of LogPathCo - CVE-2024-58356
SurrealDB before 2.1.4 Permission Bypass via DEFINE TABLE OV - CVE-2023-54366
SurrealDB before 1.0.1 Insecure Default Table Permissions
V. Comments for CVE-2026-44468
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