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CVE-2026-43975

Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager

6.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.73%Up 0.7 points since May 6, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.5

Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager

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.

Record
CVE-2026-43975
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2026-27653 6.5

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.

Record
EUVD-2026-27653
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-3gmf-p6r4-q8m6 6.5

Apache Wicket has a Path Traversal issue

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.

Record
GHSA-3gmf-p6r4-q8m6
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-22
Updated
2026-11-02
NVD 6.5

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.

Record
CVE-2026-43975
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-22
Updated
2026-11-02
OSV 6.5

Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager

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.

Record
CVE-2026-43975
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-22
Updated
2026-11-02
OSVGHSA-3gmf-p6r4-q8m6 6.5

Apache Wicket has a Path Traversal issue

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.

Record
GHSA-3gmf-p6r4-q8m6
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-22
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.apache.wicket:wicket-core
Maven
 8.0.0-M1 to 8.17.0 None known
org.apache.wicket:wicket-core
Maven
 9.0.0-M1 to 9.22.0 None known
org.apache.wicket:wicket-core
Maven
 10.0.0-M1 to 10.8.0
10.9.0
org.apache.wicket:wicket-core
Maven
 8.0.0-M1 to 8.17.0, plus listed versions
8.0.08.0.0-M28.0.0-M38.0.0-M48.0.0-M5
Show 21 moreShow less
8.0.0-M68.0.0-M78.0.0-M88.0.0-M98.1.08.10.08.11.08.12.08.13.08.14.08.15.08.16.08.2.08.3.08.4.08.5.08.6.08.6.18.7.08.8.08.9.0
 None known
org.apache.wicket:wicket-core
Maven
 9.0.0-M1 to 9.22.0, plus listed versions
9.0.09.0.0-M29.0.0-M39.0.0-M49.0.0-M5
Show 22 moreShow less
9.1.09.10.09.11.09.12.09.13.09.14.09.15.09.16.09.17.09.18.09.19.09.2.09.20.09.21.09.3.09.4.09.5.09.6.09.7.09.8.09.9.09.9.1
 None known
org.apache.wicket:wicket-core
Maven
 10.0.0-M1 up to 10.9.0, plus listed versions
10.0.010.0.0-M210.1.010.2.010.3.0
Show 5 moreShow less
10.4.010.5.010.6.010.7.010.8.0
10.9.0

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-43975 is a medium vulnerability (CVSS 6.5) in Apache Wicket, published May 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. Fixed in org.apache.wicket:wicket-core 10.9.0.

References

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