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HIGHCVE-2026-8046Published Modified CNA CERTVDE

CVE-2026-8046: Incorrect Authorization in CODESYS Control

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.

Metrics

CVSS v4.0
7.2
Severity
HIGH
Fixed in
3.5.22.20
Affected Products
16

Fix available

3.5.22.204.21.0.0
Affected packages
  • CODESYS / CODESYS Control RTE (SL)
    < 3.5.22.20 (from 3.0.0.0)
  • CODESYS / CODESYS Control RTE (for Beckhoff CX) SL
    < 3.5.22.20 (from 3.0.0.0)
  • CODESYS / CODESYS Control Win (SL)
    < 3.5.22.20 (from 3.0.0.0)
  • CODESYS / CODESYS HMI (SL)
    < 3.5.22.20 (from 3.0.0.0)
  • CODESYS / CODESYS Runtime Toolkit
    < 3.5.22.20 (from 3.0.0.0)
  • CODESYS / CODESYS Control for BeagleBone SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for emPC-A/iMX6 SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for IOT2000 SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for Linux ARM SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for Linux SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for PFC100 SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for PFC200 SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for PLCnext SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for Raspberry Pi SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Control for WAGO Touch Panels 600 SL
    < 4.21.0.0 (from 3.0.0.0)
  • CODESYS / CODESYS Virtual Control SL
    < 4.21.0.0 (from 3.0.0.0)
CVSS Vector
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
References