What is CVE-2026-3676?

CVE-2026-3676 is a medium-severity vulnerability in IBM Cloud Apm, Advanced Private, classified under Improper Validation of Specified Quantity in Input. CVSS score: 6.5/10. Published 2026-05-27.

How severe is CVE-2026-3676?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in IBM Cloud Apm, Advanced Private

CVE-2026-3676

IBM Cloud APM, Base Private 8.1.4 and IBM Cloud APM, Advanced Private 8.1.4 IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in the data query logic of the Fenced environment.

Published 2026-05-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

IBM Cloud Apm, Advanced Private — versions 8.1.4
IBM Cloud Apm, Base Private — versions 8.1.4
IBM Cloud Application Performance Managemen — versions 8.1.4

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

www.ibm.com/support/pages/node/7273649 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-3676?: CVE-2026-3676 is a medium-severity vulnerability in IBM Cloud Apm, Advanced Private, classified under Improper Validation of Specified Quantity in Input. CVSS score: 6.5/10. Published 2026-05-27.
How severe is CVE-2026-3676?: Medium severity. CVSS v3 base score is 6.5 out of 10.