CVE-2025-36115 Multiple vulnerabilities were addressed in IBM Sterling Connect:Express for UNIX.
An authenticated user can impersonate another user due to session IDs not being invalidated after use 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-2025-36115?
CVE-2025-36115 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 5.2.0.00 through 5.2.0.12 does not disallow the session id after use which could allow an authenticated user to impersonate another user on the system.
Weakness: CWE-384
Which versions are affected by CVE-2025-36115?
It affects 1 product.
Products include Ibm Sterling Connect\.
How do I fix CVE-2025-36115?
No fix has been published for CVE-2025-36115 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-2025-36115 being exploited?
There is no known exploitation of CVE-2025-36115 in the wild and no public exploit code.
Other vulnerabilities in IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0
- CVE-2023-32331 IBM Connect:Express for UNIX denial of service
- CVE-2020-4767 Memory corruption in Sterling Connect Direct for Microsoft Windows
- CVE-2025-36137 IBM Sterling Connect:Direct for UNIX command execution
- CVE-2018-1903 Privilege escalation in Sterling Connect:Direct for UNIX
- CVE-2023-29260 IBM Sterling Connect:Express for UNIX server-side request forgery
Sources
Also known as GHSA-pqhf-8hv3-ccc7.