CVE-2025-36252 TS4500 Tape Library Insufficient Session Expiration
An authenticated user can impersonate another user due to insufficient session expiration in IBM TS4500 Tape Library firmware.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-36252?
CVE-2025-36252 is a medium-severity authentication bypass vulnerability in IBM Storage TS4500 Library, published on 19 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-613
Which versions are affected by CVE-2025-36252?
How do I fix CVE-2025-36252?
No fix has been published for CVE-2025-36252 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-36252 being exploited?
There is no known exploitation of CVE-2025-36252 in the wild and no public exploit code.
Sources
Also known as GHSA-hm74-hhr5-rw72.