{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18857", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-04T16:01:27.817Z", "datePublished": "2026-09-24T14:13:50.386Z", "dateUpdated": "2026-09-24T14:54:35.705Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-24T14:13:50.386Z"}, "title": "This Power System update is being released to address", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "OPENBMC", "versions": [{"status": "affected", "version": "FW1120.00", "lessThanOrEqual": "FW1120.01", "versionType": "semver"}, {"status": "affected", "version": "FW1110.00", "lessThanOrEqual": "FW1110.31", "versionType": "semver"}, {"status": "affected", "version": "FW1060.00", "lessThanOrEqual": "FW1060.81", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:openbmc:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1120.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1120.01:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1120.01.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.31:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.31.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.81:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.81.0:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the BMC firmware management interface. 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