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EUVD-2026-321455

2026-10-03T21:08:41.932947+00:00

EUVD-2026-321455

fkie_cve-2026-23734

2026-10-03T21:08:41.932984+00:00

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.

GHSA-xq3r-2qv5-vqqm — XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash

2026-10-03T21:08:41.933019+00:00

Affected: Maven: org.xwiki.commons:xwiki-commons-classloader-api

### 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/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

### Attribution

The vulnerability was reported by Michał Kołek.

WID-SEC-W-2026-1613 — xwiki: Schwachstelle ermöglicht Offenlegung von Informationen

2026-10-03T21:08:41.933063+00:00

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in xwiki ausnutzen, um Informationen offenzulegen.