CVE-2026-12728CWE-502insecure-deserialization

CVE-2026-12728

High · published September 15, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
31.3
In the wild
Unconfirmed
What it is

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an authenticated attacker to execute arbitrary code due to a deserialization of untrusted data.

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
0.00385 · 31.3th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-15T22:17Z
References (1)
https://www.ibm.com/support/pages/node/7284942 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:28Z
    EPSS moved — → 1%
    epss
  • 15 SEP 17:07Z
    IBM MQ Java messaging is vulnerable to remote code execution
    cvelistv5