Arbitrary Wiki Markup Rendering in Apache JSPWiki by Apache
CVE-2026-28814

Currently unrated

Key Information:

Vendor

Apache
Status
Apache Jspwiki
Vendor
CVE Published:
30 July 2026

What is CVE-2026-28814?

The lack of proper authentication in Apache JSPWiki versions up to 2.12.3 exposes the application to arbitrary Wiki Markup rendering. This vulnerability potentially allows attackers to manipulate the application and access sensitive data stored in JSPWiki variables. Users are strongly advised to upgrade to version 2.12.4 or 3.0.0 to mitigate this risk and enhance their security posture.

Affected Version(s)

Apache JSPWiki 0 < 2.12.4

References

https://lists.apache.org/thread/8vv0311bvrrqxsyn913pcwf7p...
vendor-advisory

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Miguel Regala (Fisher) - Hadrian.io
.