CVE-2026-8620 Other in Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty
Attackers can exploit HTTP request smuggling in IBM WebSphere Web Server Plug-ins to bypass security controls or access sensitive data.
- 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-2026-8620?
CVE-2026-8620 is a high-severity vulnerability in Ibm Websphere Application Server, published on 26 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.
Weakness: CWE-444
Which versions are affected by CVE-2026-8620?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2026-8620?
No fix has been published for CVE-2026-8620 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-8620 being exploited?
There is no known exploitation of CVE-2026-8620 in the wild and no public exploit code.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-qwgm-xj6f-w5v6.