What is CVE-2026-43975?

CVE-2026-43975 is a medium-severity vulnerability in Apache Wicket, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-05-06.

How severe is CVE-2026-43975?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Apache Wicket

CVE-2026-43975

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…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (70.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Apache Wicket
Apache Software Foundation Wicket — versions 10.0.0, 9.0.0, 8.0.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security@apache.org (Patch, patch, Issue Tracking)
security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-43975?: CVE-2026-43975 is a medium-severity vulnerability in Apache Wicket, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-05-06.
How severe is CVE-2026-43975?: Medium severity. CVSS v3 base score is 6.5 out of 10.