{"id":"CVE-2026-105281","revision":"9f362149bb7d4e6d8f141509dca6105a","records":[{"revision":"9f362149bb7d4e6d8f141509dca6105a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-105281","aliases":[],"title":"Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function","description":"The internal data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and retrieve the complete device and measurement topology of the system.","state":0,"publishedAt":"2026-10-09T13:49:06.352+00:00","modifiedAt":"2026-10-11T17:05:29.198+00:00","affected":[{"ecosystem":"Vendor product","name":"openPDC","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Grid Protection Alliance\",\n                    \"product\": \"openPDC\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.9.477\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.9.482\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"2.9.482\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"Vendor product","name":"openPDC (Docker image)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Grid Protection Alliance\",\n                    \"product\": \"openPDC (Docker image)\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.9.477\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.9.482\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"Vendor product","name":"openHistorian","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Grid Protection Alliance\",\n                    \"product\": \"openHistorian\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.8.580\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.8.585\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"2.8.585\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105281","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105281","identifiers":["CVE-2026-105281"]},"retained":false,"historicalAffected":[]}],"coverage":[]}