xwiki/xwiki-commons · Security
XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
- GHSA ID
- GHSA-xq3r-2qv5-vqqm
- CVE ID
- CVE-2026-23734
- Severity
- critical
- Published
- Updated
- CVSS v4
- 9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
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
- Email us at Security Mailing List
Attribution
The vulnerability was reported by Michał Kołek.
CWEs
- CWE-23 · Relative Path Traversal
References
- https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-xq3r-2qv5-vqqm ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-23734 ↗
- https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf ↗
- https://jira.xwiki.org/browse/XCOMMONS-3547 ↗
- https://github.com/advisories/GHSA-xq3r-2qv5-vqqm ↗