Vulnerability · Published Oct 19, 2026 · Assigned by ibm

CVE-2025-36252TS4500 Tape Library Insufficient Session Expiration

Medium 6.3

In plain English

A medium-severity security flaw in Storage TS4500 Library from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 90.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
IBM	Storage TS4500 Library	1.1.1.6 – through 1.12.0.3

Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

https://www.ibm.com/support/pages/node/7292611 vendor-advisory, patch