IBM OpenBMC Code Execution
Summary
| CVE | CVE-2026-18849 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-19 21:16:54 UTC |
| Updated | 2026-08-21 16:17:16 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 6.8 MEDIUM from [email protected]
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002400000 probability, percentile 0.154660000 (date 2026-08-21)
Problem Types: CWE-22 | CWE-22 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 6.8 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 6.8 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7283590 | [email protected] | www.ibm.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
Solutions
CNA: 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/
Workarounds
CNA: 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.