CVE-2026-28814: Apache Jspwiki

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Arbitrary Wiki Markup rendering due to lack of authentication in Apache JSPWiki up to 2.12.3 allows attacker to obtain sensitive data stored in JSPWiki variables. Users are recommended to upgrade to version 2.12.4 or 3.0.0, which fixes this issue.

Affected products

• Apache Jspwiki: before 2.12.4 (fixed in 2.12.4)

Published 2026-07-30. Last modified 2026-08-05.