CVE-2026-18849CWE-22path-traversal

CVE-2026-18849

Medium · published August 20, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
29.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00367 · 29.4th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-08-20T01:16Z
Affected products (9)
ProductVersionsFixed in
ibm/openbmc≥ fw1060.00, ≤ fw1060.80—
ibm/power_system_e1050_\(9043-mrx\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_l1022_\(9786-22h\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_l1024_\(9786-42h\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_s1012_\(9028-21b\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_s1014_\(9105-41b\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_s1022_\(9105-22a\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_s1022s_\(9105-22b\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
ibm/power_system_s1024_\(9105-42a\)_firmware≥ fw1060.00, < fw1060.81fw1060.81
References (1)
https://www.ibm.com/support/pages/node/7283590 · [email protected]
EPSS history
Timeline
  • 19 AUG 20:21Z
    IBM OpenBMC Code Execution
    cvelistv5