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Description

If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.

PUBLISHED Reserved 2026-02-11 | Published 2026-03-10 | Updated 2026-03-10 | Assigner CERTVDE




HIGH: 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Product status

Default status
unaffected

0.0.0 (semver) before 2.6.1.0
affected

Credits

David Ruscheweyh from SEW-EURODRIVE GmbH & Co KG finder

References

certvde.com/de/advisories/VDE-2026-012

cve.org (CVE-2026-2364)

nvd.nist.gov (CVE-2026-2364)

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