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CVE-2026-8046

Incorrect Authorization in CODESYS Control

Published: May 26, 2026Updated: May 26, 2026 Sources: CVE List
NVD MITRE
8.1CVSS
HIGH

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.

EPSS Score
0.1%
Top 73.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-863CWE-863 Incorrect Authorization

Affected Products

CODESYS Control RTE (SL)
CODESYS
CODESYS Control RTE (for Beckhoff CX) SL
CODESYS
CODESYS Control Win (SL)
CODESYS
CODESYS HMI (SL)
CODESYS
CODESYS Runtime Toolkit
CODESYS
and 11 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.certvde.com/en/advisories/VDE-2026-056/
certvde.com

Timeline

Published
May 26, 2026
Last Updated
May 26, 2026

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