CVE-2026-35227
Improper resource management in CODESYS Modbus TCP Server
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
| CWE | CWE-772 |
| Vendor | codesys |
| Product | codesys modbus |
| Published | May 12, 2026 |
| Last Updated | May 13, 2026 |
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Affected Versions
CODESYS / CODESYS Modbus
1.0.0.0 < 4.6.0.0
Credits
ABB Schweiz AG