medium6.5
CVE-2026-43975
FolderUploadsFileManager in Apache Wicket does not validate or sanitize the uploadFieldId parameter or the clientFileName before constructing file paths, allow…
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.wicket:wicket-core | >= 8.0.0-M1, <= 8.17.0 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Wicket | from 8.0.0 through 8.17.0 from 9.0.0 through 9.22.0 from 10.0.0 before 10.9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-3gmf-p6r4-q8m6
- https://nvd.nist.gov/vuln/detail/CVE-2026-43975
- https://github.com/apache/wicket/pull/1432
- https://lists.apache.org/thread/xp2jrdk6ppv1zcmxb4w1mk2lg1dw3hbr
- http://www.openwall.com/lists/oss-security/2026/05/06/4
- https://github.com/apache/wicket/commit/72470983f689c61e6a6c0b7388ef955f23bb1e16