{"id":"CVE-2026-79625","revision":null,"records":[{"revision":"143ba7990df641caa053aa29a91fcb2d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-79625","aliases":[],"title":"Improper Synchronization in Monitoring in CODESYS Control Runtime","description":"Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.","state":0,"publishedAt":"2026-09-30T09:23:16.775+00:00","modifiedAt":"2026-09-30T13:49:14.992+00:00","affected":[{"ecosystem":"Vendor product","name":"Control RTE (SL)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control RTE (SL)\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"3.5.22.40\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.0.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control RTE (for Beckhoff CX) SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control RTE (for Beckhoff CX) SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"3.5.22.40\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.0.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control Win (SL)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control Win (SL)\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"3.5.22.40\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.0.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Runtime Toolkit","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Runtime Toolkit\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"3.5.22.40\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.0.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Safety SIL2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n          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       }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Development System 3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Development System 3\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"3.5.22.40\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.0.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for BeagleBone SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for BeagleBone SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for emPC-A/iMX6 SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for emPC-A/iMX6 SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for IOT2000 SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for IOT2000 SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for Linux ARM SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for Linux ARM SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for Linux SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for Linux SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for PFC100 SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for PFC100 SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for PFC200 SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for PFC200 SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for PLCnext SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Control for PLCnext SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Control for Raspberry Pi SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": 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\"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Virtual Control SL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Virtual Control SL\",\n                    \"vendor\": \"CODESYS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.23.0.0\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.5.0.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":7.2,"severity":"HIGH"},{"system":"CVSS 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