CVE-2026-11378

highpriority · track · 35EPSS 0.006 · 49 %ileUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.60% (49th) EPSS
CVSS 8.8 · high
Is it mine?
7 products
Check your exposure
Who says so?
1 sources
nvd

EPSS · scored 2026-10-28

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.

01

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · psirt@us.ibm.com USexploitability 2.8 · impact 5.9
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-190US
04

affected products (7)

Products and version ranges known to be affected.

  • ibm mq= 10.0.0.0nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
  • ibm mq9.1.0.0 → 9.1.0.37nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
  • ibm mq9.2.0.0 → 9.2.0.43nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
  • ibm mq9.3.0.0 → 9.3.0.41nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
  • ibm mq9.3.0.0 → 9.3.5.1nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
  • ibm mq9.4.0.0 → 9.4.0.25nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
  • ibm mq9.4.0.0 → 9.4.5.1nvdUScpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*
05

sources

Which sources assert this record, and when.

nvdNVDCVE.orgMITRE
published 2026-09-18modified 2026-09-23
06

references (1) nvd

External citations — patches, advisories, analysis.

scry

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