CVE-2026-81858CWE-125

CVE-2026-81858

Medium · published October 13, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
40.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00482 · 40.6th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-10-13T04:17Z
Affected products (1)
ProductVersionsFixed in
ibm/i≥ 7.3, ≤ 7.6—
References (1)
EPSS history
Timeline
  • 14 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 12 OCT 23:22Z
    IBM i is Affected By A Denial of Service Vulnerability in Host Servers
    cvelistv5
  • 12 OCT 23:22Z
    IBM i is Affected By A Denial of Service Vulnerability in Host Servers
    cvelistv5