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Vulnerability record · CVE-2026-43646 · published 6 May 2026

CVE-2026-43646: Apache wicket information exposure vulnerability

Apache · Wicket

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Wicket. 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.

7.5 CVSS 3.1 High EPSS 0.62% · top 52.3% CWE-200 · Information exposure
7.5CVSS 3.1 base score
0.62%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Wicket. 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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/6zqcvjyz4lsqty1z2g5hg7pl5fqk88rs Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/06/3 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-36522Apache wicket injection vulnerabilityThe default configuration of XSLTResourceStream.java is vulnerable to remote code execution via XSLT injection when processing input from an untruste…EPSS 2.1%9.1CVE-2026-40010Apache wicket vulnerabilityMissing invocation of Servlet http web request method changeSessionId after session binding can be exploited for a session fixation attack in Apache …EPSS 0.62%9.1CVE-2016-6793Apache wicket deserialization of untrusted data vulnerabilityThe DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infinite loop…EPSS 8.5%8.8CVE-2016-6806Apache wicket cross-site request forgery vulnerabilityApache Wicket 6.x before 6.25.0, 7.x before 7.5.0, and 8.0.0-M1 provide a CSRF prevention measure that fails to discover some cross origin requests. …EPSS 0.82%7.5CVE-2026-71257Apache wicket allocation without limits vulnerabilityApache Wicket enforces the upload limits configured on a form or upload field while parsing a multipart request with Apache Commons FileUpload. If th…EPSS 0.74%7.5CVE-2021-23937Apache wicket information exposure vulnerabilityA DNS proxy and possible amplification attack vulnerability in WebClientInfo of Apache Wicket allows an attacker to trigger arbitrary DNS lookups fro…EPSS 4.3%7.5CVE-2020-11976Apache fortress vulnerabilityBy crafting a special URL it is possible to make Wicket deliver unprocessed HTML templates. This would allow an attacker to see possibly sensitive in…EPSS 3.8%7.5CVE-2014-3526Apache wicket information exposure vulnerabilityApache Wicket before 1.5.12, 6.x before 6.17.0, and 7.x before 7.0.0-M3 might allow remote attackers to obtain sensitive information via vectors invo…EPSS 2.3%

Source: NIST National Vulnerability Database (record CVE-2026-43646), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.