CVE-2026-81858
IBM i is Affected By A Denial of Service Vulnerability in Host Servers
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to cause a denial of service and obtain information due to an out-of-bounds read in the File Server.
| CWE | CWE-125 |
| Vendor | ibm |
| Product | i |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Affected Versions
IBM / i
7.6 7.5 7.4 7.3