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Vulnerability · Published May 26, 2026 · Assigned by CERTVDE

CVE-2026-8046Incorrect Authorization in CODESYS Control

High 8.1

In plain English

A high-severity incorrect authorization in CODESYS Control for BeagleBone SL from CODESYS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 71.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
CODESYS CODESYS Control RTE (SL) 3.0.0.0 – before 3.5.22.20
CODESYS CODESYS Control RTE (for Beckhoff CX) SL 3.0.0.0 – before 3.5.22.20
CODESYS CODESYS Control Win (SL) 3.0.0.0 – before 3.5.22.20
CODESYS CODESYS HMI (SL) 3.0.0.0 – before 3.5.22.20
CODESYS CODESYS Runtime Toolkit 3.0.0.0 – before 3.5.22.20
CODESYS CODESYS Control for BeagleBone SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for emPC-A/iMX6 SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for IOT2000 SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for Linux ARM SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for Linux SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for PFC100 SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for PFC200 SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for PLCnext SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for Raspberry Pi SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Control for WAGO Touch Panels 600 SL 3.0.0.0 – before 4.21.0.0
CODESYS CODESYS Virtual Control SL 3.0.0.0 – before 4.21.0.0

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References