Description
Improper Input Validation vulnerability in multiple CODESYS V3 products allows an authenticated remote attacker to block consecutive logins of a specific type.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| CODESYS V3 | CODESYS Control RTE (SL) | V0.0.0.0 – < V3.5.18.40 | V3.5.18.40 |
| CODESYS V3 | CODESYS Control RTE (for Beckhoff CX) SL | V0.0.0.0 – < V3.5.18.40 | V3.5.18.40 |
| CODESYS V3 | CODESYS Control Win (SL) | V0.0.0.0 – < V3.5.18.40 | V3.5.18.40 |
| CODESYS V3 | CODESYS HMI (SL) | V0.0.0.0 – < V3.5.18.40 | V3.5.18.40 |
| CODESYS V3 | CODESYS Control Runtime System Toolkit | V0.0.0.0 – < V3.5.18.40 | V3.5.18.40 |
| CODESYS V3 | CODESYS Control for BeagleBone SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for emPC-A/iMX6 SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for IOT2000 SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for Linux SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for PFC100 SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for PFC200 SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for PLCnext SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for Raspberry Pi SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
| CODESYS V3 | CODESYS Control for WAGO Touch Panels 600 SL | V0.0.0.0 – < V4.7.0.0 | V4.7.0.0 |
Advisories 2
- ICSA-26-076-01 CODESYS in Festo Automation Suite CISA ICS & IT advisories · Mar 17, 2026
- FSA-202601 Several CODESYS vulnerabilities in Festo Automation Suite CERT@VDE · Feb 26, 2026