Path Traversal in IBM Openbmc
CVE-2026-18849
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.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-18849?
- CVE-2026-18849 is a medium-severity vulnerability in IBM Openbmc, classified under Path Traversal. CVSS score: 6.8/10. Published 2026-08-19.
- How severe is CVE-2026-18849?
- Medium severity. CVSS v3 base score is 6.8 out of 10.