CVE-2026-18849 json
IBM OpenBMC Code Execution
published 2026-08-19 2 mo ago modified 2026-09-02 2 mo ago also EUVD-2026-62849
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm power_system_e1050_(9043-mrx)_firmware fw1060.81
- ibm power_system_l1022_(9786-22h)_firmware fw1060.81
- ibm power_system_l1024_(9786-42h)_firmware fw1060.81
- ibm power_system_s1012_(9028-21b)_firmware fw1060.81
- ibm power_system_s1014_(9105-41b)_firmware fw1060.81
- ibm power_system_s1022_(9105-22a)_firmware fw1060.81
- ibm power_system_s1022s_(9105-22b)_firmware fw1060.81
- ibm power_system_s1024_(9105-42a)_firmware fw1060.81
- ibm.com/support/pages/node/7283590 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- IBM OPENBMC
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
ibm.com
/support/pages/node/7283590
vendor-advisory, patch
Sources
- CVE List CVE-2026-18849
- NVD CVE-2026-18849
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.