Vulnerability · Published May 6, 2026 · Assigned by apache
CVE-2026-43975Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager
Medium 6.5
In plain English
A medium-severity path traversal in Apache Wicket from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
FolderUploadsFileManager in Apache Wicket does not validate or sanitize the uploadFieldId parameter or the clientFileName before constructing file paths, allowing an unauthenticated attacker to write arbitrary files outside the intended upload directory or read files from arbitrary locations on the server. This issue affects Apache Wicket: from 8.0.0 through 8.17.0, from 9.0.0 through 9.22.0, from 10.0.0 through 10.8.0. Users are recommended to upgrade to version 10.9.0, which fixes the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.wicket:wicket-core | no fix listed | GHSA-3gmf-p6r4-q8m6 |
| Maven | org.apache.wicket:wicket-core | no fix listed | GHSA-3gmf-p6r4-q8m6 |
| Maven | org.apache.wicket:wicket-core | 10.9.0 | GHSA-3gmf-p6r4-q8m6 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Wicket | 10.0.0 – through 10.8.09.0.0 – through 9.22.08.0.0 – through 8.17 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N