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MEDIUM severity

GHSA-3gmf-p6r4-q8m6 — wicket-core

MEDIUMFix: apache/wicket#1432

GHSA-3gmf-p6r4-q8m6 is a medium-severity (CVSS 6.5) Path Traversal vulnerability in org.apache.wicket:wicket-core. A fix is available for org.apache.wicket:wicket-core — see the affected versions and patch details below.

Apache Wicket has a Path Traversal issue

Also known asCVE-2026-43975
Published
May 6, 2026
Updated
Sep 10, 2026
Affected
3 pkgs
Patched
1 / 3
Exploits
None indexed
Exploitation data as of Sep 23, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-3gmf-p6r4-q8m6.

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs53th percentile — riskier than 53% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

How urgent is this, really

GHSA-3gmf-p6r4-q8m6 plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.

Where this sits among everything scored

Of 379,145 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.

Real-World Exposure

3 pkgs affected
☕org.apache.wicket:wicket-core☕org.apache.wicket:wicket-core☕org.apache.wicket:wicket-core

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

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

3 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.wicket:wicket-core≥ 8.0.0-M1No fix
☕Mavenorg.apache.wicket:wicket-core≥ 9.0.0-M1No fix
☕Mavenorg.apache.wicket:wicket-core≥ 10.0.0-M1&&< 10.9.010.9.0org.apache.wicket:wicket-core:10.9.0

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.wicket:wicket-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    No patched version of org.apache.wicket:wicket-core has shipped for GHSA-3gmf-p6r4-q8m6 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-3gmf-p6r4-q8m6 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-3gmf-p6r4-q8m6. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

Is GHSA-3gmf-p6r4-q8m6 in your dependencies?

O3 Security finds GHSA-3gmf-p6r4-q8m6 across Maven dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-3gmf-p6r4-q8m6: wicket-core | O3 Security