Incorrect Authorization in CODESYS Control

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-8046
StatePUBLISHED
AssignerCERTVDE
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-26 08:16:22 UTC
Updated2026-05-26 20:00:24 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v4.0 7.2 HIGH from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.000960000 probability, percentile 0.265820000 (date 2026-05-31)

Problem Types: CWE-863 | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.2HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS7.2HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA CODESYS CODESYS Control RTE SL affected 3.0.0.0 3.5.22.20 semver Not specified
CNA CODESYS CODESYS Control RTE For Beckhoff CX SL affected 3.0.0.0 3.5.22.20 semver Not specified
CNA CODESYS CODESYS Control Win SL affected 3.0.0.0 3.5.22.20 semver Not specified
CNA CODESYS CODESYS HMI SL affected 3.0.0.0 3.5.22.20 semver Not specified
CNA CODESYS CODESYS Runtime Toolkit affected 3.0.0.0 3.5.22.20 semver Not specified
CNA CODESYS CODESYS Control For BeagleBone SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For EmPC-A/iMX6 SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For IOT2000 SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For Linux ARM SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For Linux SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For PFC100 SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For PFC200 SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For PLCnext SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For Raspberry Pi SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Control For WAGO Touch Panels 600 SL affected 3.0.0.0 4.21.0.0 semver Not specified
CNA CODESYS CODESYS Virtual Control SL affected 3.0.0.0 4.21.0.0 semver Not specified

References

ReferenceSourceLinkTags
www.certvde.com/en/advisories/VDE-2026-056 [email protected] www.certvde.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ABB AG (en)

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