CVE-2026-12669

mediumpriority · track · 17EPSS 0.002 · 5 %ileUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.16% (5th) EPSS
CVSS 4.3 · medium
Is it mine?
67 products
Check your exposure
Who says so?
1 sources
nvd

EPSS · scored 2026-10-27

IBM MQ could allow an authenticated attacker to trigger a minor out-of-bounds read when sending malformed compressed data, though the data is not disclosed and the request is rejected.

01

cvss

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

4.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–4.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4
v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · psirt@us.ibm.com USexploitability 1.6 · impact 1.4
v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

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

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125US
04

affected products (67)

Products and version ranges known to be affected.

showing 20 of 67
05

sources

Which sources assert this record, and when.

nvdNVDCVE.orgMITRE
published 2026-10-19modified 2026-10-23
06

references (1) nvd

External citations — patches, advisories, analysis.

scry

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