What is CVE-2025-36252?

CVE-2025-36252 is a medium-severity vulnerability in IBM Storage Ts4500 Library, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2026-10-19.

How severe is CVE-2025-36252?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in IBM Storage Ts4500 Library

CVE-2025-36252

IBM Storage TS4500 Library 1.1.1.6 through 1.12.0.3 IBM TS4500 Tape Library/Diamondback Tape Library does not invalidate session which could allow an authenticated user to impersonate another user on the system.

Published 2026-10-19.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

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-613 — Insufficient Session Expiration

References

www.ibm.com/support/pages/node/7292611 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-36252?: CVE-2025-36252 is a medium-severity vulnerability in IBM Storage Ts4500 Library, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2026-10-19.
How severe is CVE-2025-36252?: Medium severity. CVSS v3 base score is 6.3 out of 10.