CVE-2026-15328 Other in WebSphere Application Server

High 7.4 Published Updated

Attackers can exploit HTTP request smuggling in IBM WebSphere Application Server to bypass security controls or access unauthorized 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-2026-15328?

CVE-2026-15328 is a high-severity vulnerability in Ibm Websphere Application Server, published on 28 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.

Weakness: CWE-444

Which versions are affected by CVE-2026-15328?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2026-15328?

No fix has been published for CVE-2026-15328 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-15328 being exploited?

There is no known exploitation of CVE-2026-15328 in the wild and no public exploit code.

All Ibm Websphere Application Server vulnerabilities

Sources

Also known as GHSA-f3v3-mj3c-p68c.

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