CVE-2026-40104

Summary

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.

Affected Software

VendorProductVersion RangeStatus
xwikiorg.xwiki.platform:xwiki-platform-oldcore>= 1.8-rc-1, < 16.10.16affected
xwikiorg.xwiki.platform:xwiki-platform-oldcore>= 17.0.0-rc-1, < 17.4.8affected
xwikiorg.xwiki.platform:xwiki-platform-oldcore>= 17.5.0-rc-1, < 17.10.1affected
xwikiorg.xwiki.platform:xwiki-platform-legacy-oldcore>= 1.8-rc-1, < 16.10.16affected
xwikiorg.xwiki.platform:xwiki-platform-legacy-oldcore>= 17.0.0-rc-1, < 17.4.8affected
xwikiorg.xwiki.platform:xwiki-platform-legacy-oldcore>= 17.5.0-rc-1, < 17.10.1affected

Weaknesses

  • CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References