CVE-2026-12728
published 2026-09-15CVE-2026-12728: 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…
PriorityP260high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.39%
31.4th percentile
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.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | mq | — | — |
| ibm | mq | 9.1.0.0 – 9.1.0.37 LTS | — |
| ibm | mq | 9.2.0.0 – 9.2.0.43 LTS | — |
| ibm | mq | 9.3.0.0 – 9.3.0.41 LTS | — |
| ibm | mq | 9.4.0.0 – 9.4.0.25 LTS | — |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
IBM MQ up to 10.0.0.0 deserialization (EUVD-2026-78871)
vuldb·2026-09-15·CVSS 8.8
CVE-2026-12728 [HIGH] IBM MQ up to 10.0.0.0 deserialization (EUVD-2026-78871)
A vulnerability categorized as very critical has been discovered in IBM MQ up to 10.0.0.0. Affected by this vulnerability is an unknown functionality. Such manipulation leads to deserialization.
This vulnerability is documented as CVE-2026-12728. The attack can be executed remotely. There is not any exploit available.
GHSA
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 coul
ghsa_unreviewed·2026-09-15
CVE-2026-12728 [HIGH] 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 coul
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-09-15
Published