CVE-2026-14515 IBM WebSphere Application Server is affected by cross-site scripting and deserialization vulnerabilities

Medium 6.1 Published 28 Jul 2026 Updated 29 Jul 2026

Remote attackers can execute cross-site scripting attacks on IBM WebSphere Application Server, potentially compromising user sessions or data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-14515?

CVE-2026-14515 is a medium-severity cross-site scripting vulnerability in Ibm Websphere Application Server, published on 28 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

IBM WebSphere Application Server 8.5, and 9.0 traditional could allow a remote attacker to conduct a cross-site scripting attack.

Weakness: CWE-79

Which versions are affected by CVE-2026-14515?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2026-14515?

No fix has been published for CVE-2026-14515 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-14515 being exploited?

There is no known exploitation of CVE-2026-14515 in the wild and no public exploit code.

All Ibm Websphere Application Server vulnerabilities

Sources

Also known as GHSA-83wp-8xg5-qprx.