CVE-2026-40104
HIGHXWiki's REST APIs can list all pages/spaces, leading to unavailability
Title source: cnaDescription
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.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-mrqg-xmgm-rc5g
X_Refsource_Misc x_refsource_misc
https://github.com/xwiki/xwiki-platform/commit/47b568c4753a6e682b14be1ca581bdd3b25d45a7
X_Refsource_Misc x_refsource_misc
https://jira.xwiki.org/browse/XWIKI-23550
Scores
CVSS v3
8.2
EPSS
0.0040
EPSS Percentile
32.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (9)
org.xwiki.platform/xwiki-platform-legacy-oldcore
1.8-rc-1 - 16.10.16Maven
org.xwiki.platform/xwiki-platform-oldcore
1.8-rc-1 - 16.10.16Maven
xwiki/org.xwiki.platform:xwiki-platform-legacy-oldcore
>= 1.8-rc-1, < 16.10.16
xwiki/org.xwiki.platform:xwiki-platform-legacy-oldcore
>= 17.0.0-rc-1, < 17.4.8
xwiki/org.xwiki.platform:xwiki-platform-legacy-oldcore
>= 17.5.0-rc-1, < 17.10.1
xwiki/org.xwiki.platform:xwiki-platform-oldcore
>= 1.8-rc-1, < 16.10.16
xwiki/org.xwiki.platform:xwiki-platform-oldcore
>= 17.0.0-rc-1, < 17.4.8
xwiki/org.xwiki.platform:xwiki-platform-oldcore
>= 17.5.0-rc-1, < 17.10.1
xwiki/xwiki
1.8 - 16.10.16
Published
Apr 15, 2026
Tracked Since
Apr 15, 2026