What is CVE-2026-90921?

CVE-2026-90921 is a high-severity vulnerability in IBM Maximo Ai Service, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.5/10. Published 2026-10-12.

How severe is CVE-2026-90921?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Maximo Ai Service

CVE-2026-90921

IBM Maximo AI Service 9.1.0, and 9.2.0 could allow a remote attacker to cause a denial of service due to improper handling of malformed frames, resulting in termination of the host process.

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Maximo Ai Service — versions 9.1.0, 9.2.0

Weakness classification (CWE)

CWE-130 — Improper Handling of Length Parameter Inconsistency

References

www.ibm.com/support/pages/node/7290473 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-90921?: CVE-2026-90921 is a high-severity vulnerability in IBM Maximo Ai Service, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.5/10. Published 2026-10-12.
How severe is CVE-2026-90921?: High severity. CVSS v3 base score is 7.5 out of 10.