CVE-2025-36065 Multiple vulnerabilities were addressed in IBM Sterling Connect:Express for UNIX.

Medium 6.3 Published Updated

Authenticated users can impersonate others due to sessions not invalidating on browser closure in IBM Sterling Connect:Express.

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-2025-36065?

CVE-2025-36065 is a medium-severity authentication bypass vulnerability in IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0, published on 20 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0 5.2.0.00 through 5.2.0.12 does not invalidate session after a browser closure which could allow an authenticated user to impersonate another user on the system.

Weakness: CWE-613

Which versions are affected by CVE-2025-36065?

It affects 1 product.

Products include Ibm Sterling Connect\.

How do I fix CVE-2025-36065?

No fix has been published for CVE-2025-36065 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-2025-36065 being exploited?

There is no known exploitation of CVE-2025-36065 in the wild and no public exploit code.

Sources

Also known as GHSA-99f2-vq84-x2mh.

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