What is CVE-2026-19133?

CVE-2026-19133 is a high-severity vulnerability in IBM Storage Ts4500 Library, classified under Improper Authorization. CVSS score: 8.1/10. Published 2026-11-08.

How severe is CVE-2026-19133?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in IBM Storage Ts4500 Library

CVE-2026-19133

IBM Storage TS4500 Library 1.1.1.6 through 1.12.0.3 could allow a remote authenticated attacker to perform unauthorized account takeover due to improper authorization.

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

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 Storage Ts4500 Library

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

www.ibm.com/support/pages/node/7292609 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-19133?: CVE-2026-19133 is a high-severity vulnerability in IBM Storage Ts4500 Library, classified under Improper Authorization. CVSS score: 8.1/10. Published 2026-11-08.
How severe is CVE-2026-19133?: High severity. CVSS v3 base score is 8.1 out of 10.