CVE-2026-11375CWE-122

CVE-2026-11375

High · published September 18, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
26.9
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 a stack buffer overflow when processing XA transaction identifiers.

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
0.00346 · 26.9th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-18T20:17Z
Affected products (7)
ProductVersionsFixed in
ibm/mq≥ 9.1.0.0, ≤ 9.1.0.37—
ibm/mq≥ 9.2.0.0, ≤ 9.2.0.43—
ibm/mq≥ 9.3.0.0, ≤ 9.3.0.41—
ibm/mq≥ 9.3.0.0, ≤ 9.3.5.1—
ibm/mq≥ 9.4.0.0, ≤ 9.4.0.25—
ibm/mq≥ 9.4.0.0, ≤ 9.4.5.1—
ibm/mqall versions—
References (1)
https://www.ibm.com/support/pages/node/7284948 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:21Z
    EPSS moved — → 1%
    epss
  • 18 SEP 16:09Z
    IBM MQ queue manager is vulnerable to remote code execution
    cvelistv5