CVE-2026-23734
published 2026-05-20CVE-2026-23734: XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs…
PriorityP270critical9.3CVSS 4.0
AVNACLATNPRNUINVCHVIHVAHSCNSINSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
EPSS
19.54%
97.0th percentile
XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false, leading to Path Traversal. The vulnerability is can be exploited via resources parameter the ssx and jsx endpoints by using leading slashes. This issue has been patched in 18.1.0-rc-1, 17.10.3, 17.4.9, 16.10.17.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| xwiki | xwiki-commons | — | — |
| xwiki | xwiki-commons | — | — |
| xwiki | xwiki-commons | — | — |
| xwiki | xwiki-commons | — | — |
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GHSA
XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
ghsa·2026-05-26
CVE-2026-23734 [CRITICAL] CWE-23 XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
### Impact
It's possible to get access and read configuration files by using URLs such as `http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false`.
This can apparently be reproduced on Tomcat instances.
### Patches
This has been patched in 18.0.0-rc-1, 17.10.3, 17.4.9, 16.10.17.
### Workarounds
There is no known workaround, other than upgrading XWiki.
### References
* https://jira.xwiki.org/browse/XCOMMONS-3547
* https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf
### For more information
If you have any questions or comments about this advisory:
* Open an issue in [Jira XWiki.org](https://jira.xwiki.org
VulDB
xwiki xwiki-commons up to 16.10.16/17.4.8/17.10.2/18.0.x Ssx/Jsx path traversal
vuldb·2026-05-20·CVSS 9.3
CVE-2026-23734 [CRITICAL] xwiki xwiki-commons up to 16.10.16/17.4.8/17.10.2/18.0.x Ssx/Jsx path traversal
A vulnerability was found in xwiki xwiki-commons up to 16.10.16/17.4.8/17.10.2/18.0.x. It has been declared as critical. This affects an unknown function of the component Ssx/Jsx. The manipulation results in relative path traversal.
This vulnerability is cataloged as CVE-2026-23734. The attack may be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-20
Published