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CVE-2026-43975

28
FAUCET Score

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.

First published: May 6, 2026Last modified: May 6, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, <= 8.17.0CPE matchmatch criteria
cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*
>= 9.0.0, <= 9.22.0CPE matchmatch criteria
cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.9.0CPE matchmatch criteria
cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 32nd percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.wicket:wicket-coreFixed in: 10.9.0
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

mavenGHSA-3gmf-p6r4-q8m6medium

Apache Wicket has a Path Traversal issue

May 6, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11060.html

CVE-2026-43975: Apache Wicket: Possible malicious path traversal in FolderUploadsFileManager

May 5, 2026

References

openwall.com / lists/oss-security/2026/05/06/4
Mailing ListThird Party Advisory
github.com / apache/wicket/pull/1432
Issue TrackingPatch
lists.apache.org / thread/xp2jrdk6ppv1zcmxb4w1mk2lg1dw3hbr
Vendor Advisory