CVE-2026-11545 IBM WebSphere Application Server is affected by a privilege escalation
Remote attackers can access sensitive information in the administrative console due to missing authorization checks in IBM WebSphere Application Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11545?
CVE-2026-11545 is a low-severity missing authorization vulnerability in IBM WebSphere Application Server, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to obtain sensitive information from the administrative console due to missing authorization checks.
Weakness: CWE-862
Which versions are affected by CVE-2026-11545?
How do I fix CVE-2026-11545?
No fix has been published for CVE-2026-11545 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-11545 being exploited?
There is no known exploitation of CVE-2026-11545 in the wild and no public exploit code.
Sources
Also known as GHSA-429j-r6c4-rjj4.