{"id":"CVE-2026-18857","aliases":["EUVD-2026-85893","GHSA-34jw-2gcw-f6v2"],"status":"published","title":"This Power System update is being released to address","description":"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. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.","severity":{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00107,"percentile":0.01131,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-09-24T14:13:50Z","modified":"2026-09-30T16:48:23Z","products":[{"vendor":"ibm","product":"openbmc"},{"vendor":"ibm","product":"power_system_e1050_\\(9043-mrx\\)_firmware"},{"vendor":"ibm","product":"power_system_e1150_\\(9043-mru\\)_firmware"},{"vendor":"ibm","product":"power_system_l1022_\\(9786-22h\\)_firmware"},{"vendor":"ibm","product":"power_system_l1024_\\(9786-42h\\)_firmware"},{"vendor":"ibm","product":"power_system_l1122_\\(9856-22h\\)_firmware"},{"vendor":"ibm","product":"power_system_l1124_\\(9856-42h\\)_firmware"},{"vendor":"ibm","product":"power_system_s1012_\\(9028-21b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1014_\\(9105-41b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1022_\\(9105-22a\\)_firmware"},{"vendor":"ibm","product":"power_system_s1022s_\\(9105-22b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1024_\\(9105-42a\\)_firmware"},{"vendor":"ibm","product":"power_system_s1112_\\(9242-21b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1112_\\(9242-21t\\)_firmware"},{"vendor":"ibm","product":"power_system_s1114_\\(9824-41b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1122_\\(9824-22a\\)_firmware"},{"vendor":"ibm","product":"power_system_s1122s_\\(9824-22b\\)_firmware"},{"vendor":"ibm","product":"power_system_s1124_\\(9824-42a\\)_firmware"},{"vendor":"openbmc project","product":"openbmc"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7289253","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18857"},{"url":"https://github.com/advisories/GHSA-34jw-2gcw-f6v2"}],"sources":{"cve":[{"id":"CVE-2026-18857","title":"This Power System update is being released to address","description":"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. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.","status":"published","published":"2026-09-24T14:13:50.386Z","modified":"2026-09-24T14:54:35.705Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:12.60856Z"}],"euvd":[{"id":"EUVD-2026-85893","description":"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. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.","status":"published","published":"2026-09-24T14:13:50Z","modified":"2026-09-24T14:54:35Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T17:27:57.035497Z"}],"ghsa":[{"id":"GHSA-34jw-2gcw-f6v2","title":"IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through...","description":"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. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.","status":"published","published":"2026-09-24T15:31:30Z","modified":"2026-09-24T15:31:34Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:12:22.2852Z"}],"nvd":[{"id":"CVE-2026-18857","description":"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. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.","status":"published","published":"2026-09-24T14:17:12.68Z","modified":"2026-09-30T16:48:23.09Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}