CVE-2026-28811: Apache JSPWiki: Error Handling - Reveals Error Details

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-30 · updated 2026-10-23
Weakness: CWE-1295

Description

Debug Messages Revealing Unnecessary Information in Apache JSPWiki up to 2.12.3. Users are recommended to upgrade to version 2.12.4, which fixes this issue.

Affected products

Apache Software Foundation Apache JSPWiki: before 2.12.4 — fixed in 2.12.4

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache JSPWiki 2.12.4. Check the vendor advisory for mitigations.

References

https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2026-28811
https://lists.apache.org/thread/2dm414zzjo3pvhjz6mvqy3b5yhvnkcg5
http://www.openwall.com/lists/oss-security/2026/07/30/14

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