CVE-2026-18849

IBM OpenBMC Code Execution

Published Aug 19, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
IBM OpenBMC FW1060.00 through FW1060.80 is affected by a vulnerability in the BMC firmware update process. An attacker with authenticated administrator-level access to the BMC can, under specific conditions, execute arbitrary code, resulting in a confidentiality, integrity, and availability impact.

Remediation

Vendor Solution

Customers with the products below should install FW1060.81(1060_191) or newer to remediate this vulnerability. Power 10 1) IBM Power System S1022 (9105-22A) 2) IBM Power System S1024 (9105-42A) 3) IBM Power System S1022s (9105-22B) 4) IBM Power System S1014 (9105-41B) 5) IBM Power System L1022 (9786-22H) 6) IBM Power System L1024 (9786-42H) 7) IBM Power System E1050 (9043-MRX) 8) IBM Power System S1012 (9028-21B) The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/


Vendor Workaround

Protect access to the BMC's administrative interface.  Install firmware images only from trusted sources.  Validate the firmware image's integrity as described in the firmware "Release Notes" section "Firmware Information and Description" before installing it.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ibm power System E1050 \(9043-mrx\)
Ibm power System E1050 \(9043-mrx\) Firmware
Ibm power System L1022 \(9786-22h\)
Ibm power System L1022 \(9786-22h\) Firmware
Ibm power System L1024 \(9786-42h\)
Ibm power System L1024 \(9786-42h\) Firmware
Ibm power System S1012 \(9028-21b\)
Ibm power System S1012 \(9028-21b\) Firmware
Ibm power System S1014 \(9105-41b\)
Ibm power System S1014 \(9105-41b\) Firmware
Ibm power System S1022 \(9105-22a\)
Ibm power System S1022 \(9105-22a\) Firmware
Ibm power System S1022s \(9105-22b\)
Ibm power System S1022s \(9105-22b\) Firmware
Ibm power System S1024 \(9105-42a\)
Ibm power System S1024 \(9105-42a\) Firmware
CPEs cpe:2.3:h:ibm:power_system_e1050_\(9043-mrx\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_l1022_\(9786-22h\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_l1024_\(9786-42h\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1012_\(9028-21b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1014_\(9105-41b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1022_\(9105-22a\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1022s_\(9105-22b\):-:*:*:*:*:*:*:*
cpe:2.3:h:ibm:power_system_s1024_\(9105-42a\):-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:openbmc:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_e1050_\(9043-mrx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1022_\(9786-22h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_l1024_\(9786-42h\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1012_\(9028-21b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1014_\(9105-41b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1022_\(9105-22a\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1022s_\(9105-22b\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:power_system_s1024_\(9105-42a\)_firmware:*:*:*:*:*:*:*:*
Vendors & Products Ibm power System E1050 \(9043-mrx\)
Ibm power System E1050 \(9043-mrx\) Firmware
Ibm power System L1022 \(9786-22h\)
Ibm power System L1022 \(9786-22h\) Firmware
Ibm power System L1024 \(9786-42h\)
Ibm power System L1024 \(9786-42h\) Firmware
Ibm power System S1012 \(9028-21b\)
Ibm power System S1012 \(9028-21b\) Firmware
Ibm power System S1014 \(9105-41b\)
Ibm power System S1014 \(9105-41b\) Firmware
Ibm power System S1022 \(9105-22a\)
Ibm power System S1022 \(9105-22a\) Firmware
Ibm power System S1022s \(9105-22b\)
Ibm power System S1022s \(9105-22b\) Firmware
Ibm power System S1024 \(9105-42a\)
Ibm power System S1024 \(9105-42a\) Firmware
Type Values Removed Values Added
Description IBM OpenBMC FW1060.00 through FW1060.80 is affected by a vulnerability in the BMC firmware update process. An attacker with authenticated administrator-level access to the BMC can, under specific conditions, execute arbitrary code, resulting in a confidentiality, integrity, and availability impact.
Title IBM OpenBMC Code Execution
First Time appeared Ibm
Ibm openbmc
Weaknesses CWE-22
CPEs cpe:2.3:o:ibm:openbmc:fw1060.00:*:*:*:*:*:*:*
cpe:2.3:o:ibm:openbmc:fw1060.80:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm openbmc
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}