CVE-2026-11729CWE-502insecure-deserialization

CVE-2026-11729

High · published September 15, 2026

CVSS v3.1
8.5
EPSS
0%
Percentile
22.9
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 in client applications due to unsafe deserialization that enables JNDI injection attacks.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00312 · 22.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-15T22:17Z
References (1)
https://www.ibm.com/support/pages/node/7284941 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 15 SEP 17:31Z
    IBM MQ Java messaging is vulnerable to remote code execution
    cvelistv5