Medium severity · published Aug 19, 2026
CVE-2026-18849
IBM OpenBMC Code Execution
6.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OPENBMC · IBM
FW1060.00 through FW1060.80 · source: vendor, NVD
PS
Power System E1050 (9043-mrx) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System L1022 (9786-22h) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System L1024 (9786-42h) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System S1012 (9028-21b) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System S1014 (9105-41b) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System S1022 (9105-22a) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System S1022s (9105-22b) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
PS
Power System S1024 (9105-42a) Firmware · Ibm
fw1060.00 before fw1060.81 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18849
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18849
Vendor Advisory
https://www.ibm.com/support/pages/node/7283590
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