CVE-2026-8046— Incorrect Authorization in CODESYS Control
Possible ATT&CK Techniques 1AI
T1078 · Valid AccountsAffected Version Matrix 16
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-8046
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Incorrect Authorization in CODESYS Control
Source: NVD (National Vulnerability Database)
Vulnerability Description
The affected products insufficiently verify authorization when deleting user accounts. An authenticated, low-privileged remote user can exploit this vulnerability to delete other users, including those with higher privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
CODESYS多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODESYS等都是德国CODESYS公司的产品。CODESYS是一个工业控制自动化软件。CODESYS HMI是一个可视化软件。CODESYS Control RTE是一个高性能可编程控制器。 CODESYS多款产品存在安全漏洞，该漏洞源于删除用户账户时未充分验证授权，可能导致认证的低权限远程用户删除其他用户，包括具有更高权限的用户。以下产品受到影响：CODESYS Control RTE (SL)、CODESYS Control RTE (for Beckhoff CX) SL、CODESYS Con
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 Control RTE (SL) | 3.0.0.0 ~ 3.5.22.20 | - | |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | 3.0.0.0 ~ 3.5.22.20 | - | |
| CODESYS | CODESYS Control Win (SL) | 3.0.0.0 ~ 3.5.22.20 | - | |
| CODESYS | CODESYS HMI (SL) | 3.0.0.0 ~ 3.5.22.20 | - | |
| CODESYS | CODESYS Runtime Toolkit | 3.0.0.0 ~ 3.5.22.20 | - | |
| CODESYS | CODESYS Control for BeagleBone SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for emPC-A/iMX6 SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for IOT2000 SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for Linux ARM SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for Linux SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for PFC100 SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for PFC200 SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for PLCnext SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for Raspberry Pi SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | 3.0.0.0 ~ 4.21.0.0 | - | |
| CODESYS | CODESYS Virtual Control SL | 3.0.0.0 ~ 4.21.0.0 | - |
II. Public POCs for CVE-2026-8046
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-8046
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-8046 (1)
Same Patch Batch · CODESYS · 2026-05-26 · 4 CVEs total
| CVE-2026-44469 | 7.8 HIGH | Incorrect Default Permissions in CODESYS Development System |
| CVE-2026-44468 | 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 Control RTE (SL)
- CVE-2026-8047
Out-of-bounds Write in CODESYS Control - CVE-2026-3509
CODESYS Control Audit Log Format String DoS - CVE-2025-41660
CODESYS Control Boot Application Replacement Enables Code Ex - CVE-2025-41738
CODESYS Control - Invalid type usage in visualization - CVE-2022-47393
CODESYS: Multiple products prone to improperly restricted me
Same vendor: CODESYS
- CVE-2026-8047
Out-of-bounds Write in CODESYS Control - CVE-2026-44469
Incorrect Default Permissions in CODESYS Development System - CVE-2026-44468
Incorrect Default Permissions in CODESYS Development System - CVE-2026-0393
CODESYS Visualization - Insufficiently Protected Credentials - CVE-2026-35227
Improper resource management in CODESYS Modbus TCP Server
Same weakness: CWE-863
- CVE-2026-10741
Nexus Repository Manager - Incorrect Authorization allows cr - CVE-2026-54803
WordPress SMS Alert Order Notifications plugin <= 3.9.4 - Pr - CVE-2026-32967
Apache DolphinScheduler: The `/v2` experimental interface la - CVE-2026-42357
Apache DolphinScheduler: Incorrect Authorization vulnerabili - CVE-2026-41280
Apache DolphinScheduler: Incorrect Authorization vulnerabili
V. Comments for CVE-2026-8046
No comments yet