CVE-2026-11381CWE-122

CVE-2026-11381

High · published September 18, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
24.7
In the wild
Unconfirmed
What it is

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00328 · 24.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-18T20:17Z
References (1)
EPSS history
Timeline
  • 20 SEP 03:21Z
    EPSS moved — → 1%
    epss
  • 18 SEP 16:09Z
    IBM MQ for HPE NonStop is vulnerable to a denial of service issue
    cvelistv5