CVE-2026-17491CWE-269privilege-escalation

CVE-2026-17491

Medium · published October 16, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
7.4
In the wild
Unconfirmed
What it is

IBM i 7.3, 7.4, 7.5, and 7.6 is could allow a remote authenticated attacker to bypass security restrictions due to improper enforcement of the ChrootDirectory configuration directive.

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:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00182 · 7.4th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-10-16T23:17Z
Affected products (4)
ProductVersionsFixed in
ibm/iall versions—
ibm/iall versions—
ibm/iall versions—
ibm/iall versions—
References (1)
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 18:38Z
    IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSH
    cvelistv5
  • 16 OCT 18:38Z
    IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSH
    cvelistv5