CVE-2026-123766 Apache Axis2/Java: Cross-site scripting in the OpenAPI module's Swagger UI page
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123766?
CVE-2026-123766 is a medium-severity vulnerability in Apache Axis2/Java, published on 9 Nov 2026.
Official description
Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) vulnerability in the OpenAPI module of Apache Axis2/Java. The Swagger UI page served by the OpenAPI module wrote a value derived from the request's Host header into the page without encoding, allowing script injection in the context of the Axis2 origin. This issue affects Apache Axis2/Java: 2.0.1. Users are recommended to upgrade to version 2.0.2, which fixes the issue.
Weakness: CWE-79
Which versions are affected by CVE-2026-123766?
How do I fix CVE-2026-123766?
No fix has been published for CVE-2026-123766 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123766 being exploited?
There is no known exploitation of CVE-2026-123766 in the wild and no public exploit code.
Sources
Also known as GHSA-84h8-j9vj-p626.