CVE-2026-40104
XWiki's REST APIs can list all pages/spaces, leading to unavailability
Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Versions 1.8-rc-1, 17.0.0-rc-1 and 17.5.0-rc-1 and prior include a resource exhaustion vulnerability in REST API endpoints such as /xwiki/rest/wikis/xwiki/spaces/AnnotationCode/pages/AnnotationConfig/objects/AnnotationCode.AnnotationConfig/0/properties, which list all available pages as part of the metadata for database list properties without applying query limits. On large wikis, this can exhaust available server resources. This issue has been patched in versions 16.10.16, 17.4.8 and 17.10.1.
INFO
Published Date :
April 15, 2026, 12:01 a.m.
Last Modified :
April 15, 2026, 12:01 a.m.
Remotely Exploit :
No
Source :
GitHub_M
Affected Products
The following products are affected by CVE-2026-40104
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update XWiki Platform to version 16.10.16 or later.
- Update XWiki Platform to version 17.4.8 or later.
- Update XWiki Platform to version 17.10.1 or later.
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