HOMEVULNERABILITIESCVE-2026-43975
MEDIUM

CVE-2026-43975

CWE-22Published: May 6, 2026· Updated: May 6, 2026

6.5
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:11.4th

Official 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.

NVD Source

Technical Analysis

CVE-2026-43975 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Vendors & Products

Apache1 product
wicket
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/apache/wicket/pull/1432
ADVISORYhttps://lists.apache.org/thread/xp2jrdk6ppv1zcmxb4w1mk2lg1dw3hbr
ADVISORYhttp://www.openwall.com/lists/oss-security/2026/05/06/4

All References (3)

→
https://github.com/apache/wicket/pull/1432Issue Tracking · Patch
→
https://lists.apache.org/thread/xp2jrdk6ppv1zcmxb4w1mk2lg1dw3hbrVendor Advisory
→
http://www.openwall.com/lists/oss-security/2026/05/06/4Mailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2026-43975
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-22
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor
PublishedMay 6, 2026

Related CVEs (CWE-22)

CVE-2026-7411
10.0
CVE-2025-64075
10.0
CVE-2026-22557
10.0
CVE-2026-11414
10.0
CVE-2026-11420
10.0
CVE-2026-27897
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-43975 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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