Medium severity · published Oct 19, 2026
CVE-2025-36252
TS4500 Tape Library Insufficient Session Expiration
6.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
Storage TS4500 Library · IBM
1.1.1.6 through 1.12.0.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-36252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-36252
www.ibm.com
https://www.ibm.com/support/pages/node/7292611
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