Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-11375

IBM MQ queue manager is vulnerable to remote code execution

High8.8EPSS 0.61%
Published
Updated
Reserved
Assigned by
ibm

Description

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.

Scores

CVSS scores of CVE-2026-11375, by who scored it
Scored byCVSSScoreVector
ibmCNA (assigner)3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.61% · top 51% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • IBM · MQ

    • affected 9.1.0.0 – ≤ 9.1.0.37 LTS
    • affected 9.2.0.0 – ≤ 9.2.0.43 LTS
    • affected 9.3.0.0 – ≤ 9.3.0.41 LTS
    • affected 9.3.0.0 – ≤ 9.3.5.1 CD
    • affected 9.4.0.0 – ≤ 9.4.0.25 LTS
    • affected 9.4.0.0 – ≤ 9.4.5.1 CD
    • affected 10.0.0.0

What to do

Solution: This issue was addressed under Known Issue DT473424 IBM MQ version 9.1 LTS Apply cumulative security update 9.1.0.38 https://www.ibm.com/support/pages/downloading-ibm-mq-91-lts IBM MQ version 9.2 LTS Apply cumulative security update 9.2.0.44 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts IBM MQ version 9.3 LTS Apply cumulative security update 9.3.0.42 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts IBM MQ version 9.4 LTS Apply cumulative security update https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts  9.4.0.26 https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts IBM MQ version 9.3 CD, 9.4 CD and 10.0.0.0 Upgrade to IBM MQ version 10.0.0.5 https://www.ibm.com/support/pages/downloading-ibm-mq-100

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-11375 badge
[![CVE-2026-11375](https://trackcve.app/badge/CVE-2026-11375.svg)](https://trackcve.app/cve/CVE-2026-11375)

Record last updated .